Sentences with phrase «spawning aggregations»

Hand line fishing is also the method of fishing used at fish spawning aggregation sites.

Other superlative natural phenomena include the annual coral spawning, migrating whales, nesting turtles, and significant spawning aggregations of many fish species.

The range is home to a number of important conservation targets which include, but are not limited to, at least 2 marine fish spawning aggregation sites, a breeding population of the endangered American Crocodile, and a number of threatened coastal marine habitats including the greater reef complex itself, beach forests that support several important species of resident and migratory birds and at least 2 species of marine turtles are believed to nest on the range.

«After spending the last two years tagging Nassau grouper in The Bahamas during their full moon aggregations, we documented the likely extirpation of an important spawning aggregation at High Cay, a small island off the east coast of Andros in The Bahamas, which had most likely existed for decades,» said Dr. Chuck Knapp, vice president of conservation research at Shedd Aquarium.

Three species of shark, tiger, lemon and Caribbean reef, all use deeper coral reefs in the Virgin Islands, but only lemon shark presence was associated with seasonal grouper spawning aggregations, according to a study published May 4, 2016 in the open - access journal PLOS ONE by Alexandria Pickard from Nova Southeastern University, Florida, Bradley Wetherbee of the University of Rhode Island and colleagues.

Belize has also taken important steps, such as establishing «replenishment zones», protecting spawning aggregation sites and declaring open and closed seasons for products such as lobster and conch.

Shedd Aquarium researchers published a study in the Bulletin of Marine Science today in partnership with the University of Exeter, Perry Institute for Marine Science and the Bahamas National Trust documenting the collapse of a Nassau grouper, Epinephelus striatus, spawning aggregation in The Bahamas.

Some of these sites had dense cover of corals or populations of grouper and snapper, which may indicate spawning aggregations and Essential Fish and Coral Habitat.

«Importantly too, the same management principles can work in places like Australia's Great Barrier Reef, where many of our favourite species like snappers, emperors and coral trout form spawning aggregations.»

Location isn't everything: Timing of spawning aggregations optimizes larval replenishment.

Conserving spawning aggregations not only conserves the large reproductive individuals that sustain the population, but, according to our study, ensures the success of their larvae,» said lead co-author Megan Donahue, an associate professor of marine biology at the University of Hawaii and member of the «Pretty Darn Good» Control Working Group at NIMBioS who helped produce the study.

Although some reef fish species reproduce in pairs or in small groups, dog and cubera snappers aggregate in the hundreds or even thousands to reproduce, known as spawning aggregations.

The results of the research are published in the latest issue of the journal Current Biology in an article entitled «Larval dispersal from a grouper spawning aggregation and the spatial scale of fisheries replenishment» by Glenn R. Almany, Richard J. Hamilton, Michael Bode, Manuai Matawai, Tapas Potuku, Pablo Saenz - Agudelo, Serge Planes, Michael L. Berumen, Kevin L. Rhodes, Simon R.Thorrold, Garry R. Russ and Geoffrey P. Jones.

This study gives conservation managers even more reasons to protect spawning aggregations.

At Turneffe, the Elbow is a magnificent wall that sees a number of fish spawning aggregations.

Turneffe is home to 260 fish species, 77 plant species and 5 spawning aggregation sites.

Large numbers of these shells are often found scattered along the shoreline at the end of spawning aggregations.

Working with local fishers on Manus Island, PNG, the team took fin samples from a spawning aggregation of coral trout in a tiny marine reserve, then collected similar samples from juvenile fish up to 33 kms away to see how many were the offspring of the parent group, using DNA parentage analysis.

Estimating fish abundance at spawning aggregations from courtship sound levels.

The Gladden Spit and Silk Cayes Marine Reserve located near Placencia in Southern Belize, is a spawning aggregation site for many different tropical fish species including the cubera, mutton and dog snappers which produce tons of spawn.