Self-recruitment in a coral reef fish population
Article Abstract:
Juveniles from a coral reef fish population can return to their natal reef, according to research undertaken among the damselfish, Pomacentrus amboinensis, at Lizard Island, Great Barrier Reef, Australia. This research involved marking otoliths in fishes with the fluorescent compound tetracycline. Researchers collected 7,327 juveniles from light traps, with the otoliths of a random selection of 5,000 being dissected out and investigated using a fluorescence microscope. There were 15 fish with sagittal otoliths with a clear yellow, tetracycline mark, which indicates that coral reef fish larvae are able to return to their natal reef.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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Larval retention and recruitment in an island population of a coral-reef fish
Article Abstract:
Research focusing on the bluehead wrasse, an abundant Caribbean coral-reef fish with a long planktonic larval duration, indicates that recruitment to an island population of a widely distributed coral-reef fish may frequently be the result of local retention on leeward reefs. It is possible that local retention is a more adaptive larval dispersal strategy than dispersal through oceanic waters for many coastal marine organisms with planktonic larvae. These findings have implications for assessing the efficacy of marine reserves.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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Eusociality in a coral-reef shrimp
Article Abstract:
The marine sponge-dwelling shrimp Synalpheus regalis exhibits eusociality. The organism lives in sponges, in colonies with more than 300 individuals having just one reproductive female. Developing juveniles live in the natal sponge and larger members protect the colony against intruders. S. regalis has characteristics similar to those exhibited by termites and African mole-rats that support eusociality. The similarity agrees well with the argument that slow metamorphosis and parental care favor eusociality.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1996
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