Dr. Howard Lasker’s Publications


Edmunds, P.J., Lasker, H.R. Regulation of population size of arborescent octocorals on shallow Caribbean reefs.  Marine Ecology Progress Series 615:1-14  (Featured Article) PDF
Morín, J. G., D. E. Venera-Pontón, A. C. Driskell, J. A. Sánchez, H. R. Lasker, and R. Collin. 2019. Reference DNA barcodes and other mitochondrial markers for identifying Caribbean Octocorals. Biodiversity Data Journal 7. PDF
Isabel Porto-Hannes*, Lyubov E. Burlakova, Alexander Y. Karatayev, Howard R. Lasker.  Molecular phylogeny, biogeography, and conservation status of the Texas-endemic freshwater mussel Lampsilis bracteata (Bivalvia, Unionidae) in Texas.  Zootaxa PDF


Tsounis, G.,Edmunds, P.J., BramantiL., Gambrel. B., Lasker, H.R.  Variability of size structure and species composition in Caribbean octocoral communities under contrasting environmental conditions. Marine Biology 165:1-14 PDF


Edmunds, P.J., Tsounis, G., Lasker, H.R. Differential distribution of octocorals and scleractinians around St. John and St. Thomas, US Virgin Islands. Hydrobiologia 767:347-360 PDF
Coelho M.A.G., Lasker H.R. Larval behavior and settlement dynamics of a ubiquitous Caribbean octocoral and its implications for dispersal. Marine Ecology Progress Ser. 561:109-121 PDF
Edmunds, P.J., Lasker, H.R. Cryptic regime shift in benthic community structure on shallow reefs in St. John, US Virgin Islands. Marine Ecology Progress Ser. 559:1-12 (featured article) PDF
Coelho, M.G., Lasker, H.R.S. Goffredo, Z. Dubinsky (eds.), The Cnidaria, Past, Present and Future, Springer International Publishing, Switzerland p 291-315 PDF
Gambrel, B., Lasker, H.R. Interactions in the canopy among Caribbean reef octocorals. Marine Ecology Progress Series, 546: 85–95 PDF


Edmunds, P.J., Tsounis, G., Lasker, H.R. Differential distribution of octocorals and scleractinians around St. John and St. Thomas, US Virgin Islands. Hydrobiologia 767 347-360 PDF
Lasker H.R. and I. Porto-Hannes, Population structure among octocoral adults and recruits identifies scale dependent patterns of population isolation in The Bahamas. PeerJ 3:e1019; DOI 10.7717/peerj.1019 PDF
Lenz, EA. Bramanti, L. Lasker, H.R., Edmunds, P.J. Long-term variation of octocoral populations in St. John, US Virgin Islands. Coral Reefs 34:1099-1109 PDF
Joseph, E.O., Carlo, J., Lasker, H.R. Phenotypic Plasticity in Sclerites of the Gorgoniid Octocoral Pseudopterogorgia bipinnata. Hydrobiologia 759:109-118. DOI 10.1007/s10750-014-2153-5 PDF


Coelho MAG, and Lasker HR. 2014. Reproductive biology of the Caribbean brooding octocoral Antillogorgia hystrix. Invertebrate Biology 133:299-313. PDF
Smilansky, V.; Lasker, H.R. Fine-scale genetic structure in the surface brooding Caribbean octocoral, Antillogorgia elisabethae. Marine Biology 161:853-861, DOI 10.1007/s00227-013-2385-3 PDF


Lasker, H.R., Recruitment and Resilience of a Harvested Caribbean Octocoral. PLoS ONE 8(9): e74587. doi:10.1371/journal.pone.0074587 PDF
Porto-Hannes, I, Lasker, H.R., Isolation and characterization of 7 microsatellite loci in the Caribbean gorgonian Antillogorgia elisabethae. Marine Biodiversity 43:273-277. DOI 10.1007/s12526-013-0154-7 PDF
Evans, M., Coffroth, M.A. and H.R. Lasker. Effects of predator exclusion on recruit survivorship in an octocoral (Briareum asbestinum) and a scleractinian coral (Porites astreoides). Coral Reefs 32:597-601 PDF


Page, C.A. and H.R. Lasker. Effects of tissue loss, age and size on fecundity in the octocoral Pseudopterogorgia elisabethae. J. Expt. Mar. Biol. & Ecol 434-435:47-52. ( HYPERLINK “http://dx.doi.org/10.1016/j.jembe.2012.07.022” http://dx.doi.org/10.1016/j.jembe.2012.07.022 PDF
McLean, E.A. and H.R. Lasker. Height Matters: position above the substratum influences the growth of two demosponge species. Marine Ecology 34:122-129 DOI: 10.1111/j.1439-0485.2012.00523.x PDF
Lessios, H.A., Lasker, H.R., Levitan, D. The use of SCUBA to study early life histories of marine invertebrates. Research and Discovery: The Revolution of Science through Scuba. Smithsonian Institution Press PDF


Kahng, S., Benayahu, Y. and H.R. Lasker. Sexual reproduction in octocorals. Marine Ecology Progress Series 443:265-283 PDF
Carlo, J.M., Barbeitos, M.S., Lasker, H.R. Quantifying complex shapes: elliptical fourier analysis of octocoral sclerites. Biological Bulletin 220:224-237. PDF


Barbeitos, M.S., Romano, S.L., Lasker, H.R. Repeated loss of coloniality and symbiosis in scleractinian corals. Proc. Natl. Acad. Sci. 107: 11877–11882 PDF


Gutiérrez-Rodríguez, C., Barbeitos, M.S., Sánchez, J.A. and H. R. Lasker. Phylogeography and morphological variation of the branching octocoral Pseudopterogorgia elisabethae. Molecular Evolution and Phylogenetics 50:1-15 PDF


Lasker, H.R., Guteirrez-Rodriguez, C., Bala, K., Bilewitch, J.P., Hannes, A. Male reproductive success during spawning events of the octocoral Pseudopterogorgia elisabethae . Marine Ecology Progress Series 367:153-161. PDF
Goffredo, S., Lasker, H.R. An adaptive management approach to an octocoral fishery based on the Beverton-Holt model. Coral Reefs 27:751–761 DOI 10.1007/s00338-008-0391-6 PDF
Jamison, J.L., Lasker, H.R. Identification of octocoral recruits using microsatellite primers: Relationships between recruitment and adult distribution of Pseudopterogorgia spp. Limnology & Oceanography 53: 1963-1972 PDF


Goffredo, S, Lasker, H.R. Modular growth of a gorgonian coral can generate predictable patterns of colony growth. J. Expt. Mar. Biol. Ecol. 336:221-229 PDF
Lasker, H.R. High fertilization success in a surface brooding gorgonian. Biological Bulletin 210:10-17 PDF


Gutiérrez-Rodríguez,C., Hannes ,A.R., Lasker, H.R Corrigendum: Microsatellite variation reveals high levels of genetic variability and population structure in the gorgonian coral Pseudopterogorgia elisabethae across the Bahamas. Molecular Ecology 14:4205-4206 PDF
Lasker, H.R. Gorgonian Mortality During a Thermal Event in the Bahamas. Bull. Marine Science 76:155-162 PDF


Kim, E.A.B., Lasker, H.R., Coffroth, M.A., and Kim, K. Morphological and genetic variation across reef habitats in a broadcast-spawning octocoral. Hydrobiologia 530:423-432 PDF
Gutiérrez-Rodríguez, C. and H.R. Lasker. Microsatellite variation reveals high levels of genetic variability and population structure in the gorgonian coral Pseudopterogorgia elisabethae across the Bahamas. Molecular Ecology 13:2211-2221 PDF
Sanchez, J.A., Lasker, H.R. Do multi-branched colonial organisms exceed normal growth after partial mortality? Proc. R. Soc. Lond. B (Suppl.) 271:S117–S120 PDF
Gutierrez-Rodriguez, C. and H.R. Lasker. Isolation and characterization of microsatellite loci in the Caribbean gorgonian Molecular Ecology Notes 4:153-155. PDF
Sanchez, J.A., Lasker, H.R., Neopmuceno, E.G., Woldenberg, M.A. Branching and self-organization in marine modular colonial organisms: a model. American Naturalist 163:E24-E39 (selected electronic access article) PDF
Gutierrez-Rodriguez, C. and H.R. Lasker. Reproductive biology of the Caribbean gorgonian Pseudopterogorgia elisabethae. Invertebrate Biology 123:53-66 PDF


Sanchez, J.A., Lasker, H.R.Patterns of morphologic integration in branching colonies of marine modular organisms: Interspecific comparative analysis in gorgonian corals. Proc. R. Soc. Lond. B 270:2039-2044 PDF
Lasker, H.R., Boller, M.A., Castanaro, J., Sánchez, J.A. Determinate growth and modularity in a gorgonian octocoral. Biological Bulletin 205: 319-330 PDF
Santos, S.R., Gutierrez-Rodriguez, C., Lasker, H.R., and M.A. Coffroth. Patterns of Symbiodinium associations in the Caribbean gorgonian Pseudopterogorgia elisabethae: high levels of genetic variability and population structure in symbiotic dinoflagellates of the Bahamas. Marine Biology 143:111-120 PDF
Castanaro, J. and H.R. Lasker. Effects of clipping on growth of colonies of the Caribbean gorgonian Pseudopterogorgia elisabethae. Invertebrate Biology 122:209-307. PDF
Sanchez, J.A., Lasker, H.R. and D.J. Taylor. Phylogenetic analyses among Octocorals (Cnidaria) according to mitochondrial and nuclear DNA sequences (lsu-rRNA, 16S and ssu-RNA, 18S) support two convergent clades of branching goronians. Molecular Phylogenetics and Evolution 29:31-42 PDF
Sanchez, J.A., Frances, S., McFadden, C.S., and H.R. Lasker. Phylogenetic analyses of the shallow-water Caribbean octocorals using coding mitochondrial DNA sequences and morphological characters. Marine Biology 142:975-987 PDF
Sanchez, J.A., Zeng,W., Coluci,V. R., Simpson, C. & H. R. Lasker. How similar are branching networks in nature? A view from the ocean: Caribbean gorgonian corals.Journal of Theoretical Biology 222:135-138. PDF
Lasker, H.R. Zooxanthella densities within a Caribbean octocoral during bleaching and non-bleaching years. Coral Reefs 22:23-26. PDF


Lasker H.R. and Sanchez J.A. Astogeny and allometry of modular colonial organisms. In: R.N. Hughes (ed.), Progress in Asexual Propagation and Reproductive Strategies. John Wiley, Oxford pp 208-253 PDF
Boller, M. L., Swain, T. D. and. Lasker, H. R. Skeletal morphology and material properties of a fragmenting gorgonian coral. Marine Ecology Progress Series 228:131-141. PDF


Lasker, H.R. and Coffroth, M.A. Responses of clonal reef taxa to environmental change. American Zoologist 39:92-103. (1999) PDF
Kapela, W. and Lasker, H.R. Size dependent reproduction in the Caribbean gorgonian Pseudoplexaura porosa. Marine Biology 135:107-114 PDF


Coffroth, M.A. and Lasker, H.R. Larval paternity and male reproductive success of a broadcast spawning benthic invertebrate. Marine Biology 131:329-337 PDF
Lasker, H.R., Kim, K. and Coffroth MA. Production, survival and recruitment of a plexaurid gorgonian. Marine Ecology Progress Series. 162:111-123 PDF
Kim, K. and H.R. Lasker. Allometry of resource capture and constraints on modular growth. Functional Ecology 12:646-654 PDF
Coffroth, M.A. and Lasker, H.R. Population structure of a clonal gorgonian coral: the interaction between vegetative propagation and disturbance. Evolution 52:379-383. PDF


Coma, R., and Lasker, H.R. Effects of spatial distribution and reproductive biology on in situ fertilization rates of a broadcast-spawning invertebrate. Biological Bulletin 93:20-29. PDF
Swain, T.S., Kim, K. and Lasker, H.R. Use of fluorescence microscopy in an assay of sperm density for the gorgonian coral Plexaura kuna. Proceedings 8th Int. Coral Reef Symp. 2;1341-1344. PDF
Lasker, H.R. and Kapela, W.J. Heterogeneous water flow and its effects on the mixing and transport of gametes. Proceedings of the 8th Int. Coral Reef Symp. 2:1109-1114. PDF
Coma, R., and Lasker, H.R. Small scale heterogeneity of fertilization success in a broadcast spawning octocoral. J. Experimental Marine Biology and Ecology 214:107-120. PDF
Kim, K., Lasker, H.R. Flow mediated resource competition in the suspension feeding gorgonian Plexaura homomalla (Esper). J. Expt. Marine Biology and Ecology 215:49-64. PDF


Lasker, H.R., Kim, K. Larval development and settlement behavior of the gorgonian coral Plexaura kuna. J. Exp. Mar. Biol. Ecol. 207:161-175. PDF
Lasker, H.R., Brazeau, D.A., Calderon, J., Coffroth, M.A., Coma, R.C. and Kim, K. In situ rates of fertilization among broadcast spawning gorgonians. Biological Bulletin 190:45-55. PDF
Lasker, H.R., Kim, K., Coffroth, M.A. Reproductive and genetic variation among Caribbean gorgonians: the differentiation of Plexaura kuna, new species. Bulletin of Marine Science 58:277-288. PDF


Lasker, H.R., Stewart, K.M. Gamete dilution and fertilization success among broadcast spawning octocorals. Proceedings of the 7th International Coral Reef Symposium. University of Guam Press, Mangilao, Guam. pp 476-483 . PDF


Brazeau, D.A., Lasker, H.R. Growth rates and growth strategy in a clonal marine invertebrate, the Caribbean octocoral Briareum asbestinum. Biol. Bull. 183:269-277. PDF
Coffroth, M.A., Lasker, H.R., Diamond, M.E., Bruenn, J.A., Bermingham, E. DNA fingerprints of a gorgonian coral: A method for detecting clonal structure in a vegetative species. Marine Biology 114:317-325. PDF
Lang, J.C., Lasker, H.R., Gladfelter, E.H., Hallock, P., Jaap, W.C., Losada, F.J., Muller, R.G. Spatial and temporal variability during periods of recovery after mass bleaching on Western Atlantic coral reefs. American Zoologist 32:696-706. PDF
Brazeau, D.A., Lasker, H.R. Reproductive success in the Caribbean octocoral Briareum asbestinum. Marine Biology 114:157-163. PDF


Lasker, H.R. Population growth of a gorgonian coral: equilibrium and non-equilibrium sensitivity to changes in life history variables. Oecologia 86:503-509. PDF


Coffroth, M.A., Lasker, H.R., Oliver, J.A. Coral mortality outside of the Central Pacific during 1982-1983: Relationship to El Nino. In: P.W. Glynn (ed.), Ecological Effects of the 1982/83 El Nino. Elsevier Oceanography Series. pp. 141-182. PDF
Lasker, H.R. Clonal propagation and population dynamics of a gorgonian coral. Ecology 71:1578-1589. PDF
Brazeau, D.A. and H.R. Lasker. Sexual reproduction and external brooding by the Caribbean gorgonian Briareum asbestinum (Pallas). Marine Biology 104:465-474. PDF


Vreeland, H.V. and H.R. Lasker. Selective feeding by the polycheate Hermodice carunculata on Caribbean gorgonians. J. Exp. Mar. Biol. Ecol. 129:265-277. PDF
Brazeau, D.A., Lasker, H.R. The reproductive cycle and larval spawning in a Caribbean gorgonian. Biol. Bull. 176:1-7. PDF


Brazeau, D.A., H.R. Lasker. Inter- and intraspecific variation in gorgonian colony morphology: quantifying branching patterns in arborescent animals. Coral Reefs. 7:139-143. PDF
Lasker, H.R., Coffroth, M.A. Temporal and spatial variability among gazers: variability in the distribution of the gastropod Cyphoma gibbosum on octocorals. Mar. Ecol. Prog. Ser. 43:285-295. PDF
Lasker, H.R., Coffroth, M.A., Fitzgerald, L.M. Foraging patterns of Cyphoma gibbosum on octocorals: the roles of host and prey preferences. Biol. Bull. 174:254-266. PDF
Lasker, H.R. The incidence and rate of vegetative propagation among coral reef alcyonarians. 6th Int’l. Coral Reef Symp. 2:763-768. PDF


Lasker, H.R. and M.A. Coffroth. Vegetative reproduction, clonal spread, and histocompatibility in a Caribbean gorgonian. Proc. 5th Int’l. Coral Reef Congress, Tahiti. 4:331-336. PDF
Clayton, W.S., Jr. and H.R. Lasker. Individual and population growth in the asexually reproducing anemone Aiptasia pallida Verill. J. Exp. Mar. Biol. Ecol. 90:249-258. PDF
Lasker, H.R. Prey preferences and browsing pressure of the butterflyfish Chaetodon capistratus on Caribbean gorgonians. Marine Ecology: Progress Series 21:213-220. PDF


Lasker, H.R., E.C. Peters, and M.A. Coffroth. Bleaching of reef coelenterates in the San Blas Islands, Panama. Coral Reefs 3:183-190. PDF
Clayton, W.S. Jr., and H.R. Lasker. Host feeding regime and zooxanthellal photosynthesis in the anemone Aiptasia pallida. Biol. Bull. 167:590-600. PDF
Lasker, H.R. Asexual reproduction, fragmentation and skeletal morphology of a plexaurid gorgonian. Marine Ecology: Progress Ser. 19:261-268. PDF


Lasker, H.R. Vegetative reproduction in the octocoral Briareum asbestinum. J. Exp. Marine Biol. Ecol. 72:157-169. PDF
Lasker, H.R., M.A. Coffroth. Octocoral distributions at Carrie Bow Cay, Belize. Mar. Ecol. Prog. Ser. 13:21-28. PDF
Lasker, H.R., M.D. Gottfried, M.A. Coffroth. Effects of depth on the feeding capabilities of two octocorals. Mar. Biol. 73:73-78. PDF
Lasker, H.R., J.A. Syron, W.S. Clayton, Jr. The feeding response of Hydra viridis: Effects of prey density on capture rates. Biological Bulletin 162:290-298. PDF


Clayton, W.S., Jr. and H.R. Lasker. Effects of light and dark treatments on feeding by Pocillopora damicornis. J. Exp. Marine Biology and Ecology 63:269-279. PDF


Lasker, H.R. A comparison of the particulate feeding abilities of 3 gorgonian soft corals. Marine Ecology Progress Series 5:61-67. PDF
Lasker, H.R. Phenotypic variation in the coral Montastrea cavernosa and its effects on colony energetics. Biol. Bull. 160:292-302. PDF


P. Rublee, H.R. Lasker, M. Gottfried, and M.A. Roman. Production and bacterial colonization of mucus from the gorgonian Briareum asbestinum. Bull. Mar. Sci. 30:888-893. PDF
Lasker, H.R. Coral sediment rejection patterns: the role of morphology and behavior in Montastrea cavernosa. J. Exp. Mar. Biol. Ecol., 47:77-88. PDF


Lasker, H.R. Light dependent activity patterns among reef corals: Montastrea cavernosa. Biol. Bull. 156:196-211. PDF


Lasker, H.R. The measurement of taxonomic evolution; preservational consequences. Paleobiology 4:135-149. PDF


Lasker, H.R. Patterns of zooxanthellae distribution and polyp expansion in the reef coral Montastrea cavernosa. Proc. Third Int’l. Coral Reef Symp. 1:607-613. PDF


Lasker, H.R., Intraspecific variability of zooplankton feeding in the hermatypic coral Montastrea cavernosa. In G.O. Mackie (ed), Coelenterate Ecology and Behavior. Plenum Press, New York, pp. 101-109. PDF
Lasker, H.R. Effects of differential preservation on the measure of taxonomic diversity. Paleobiology 2:84-93. PDF