Deep-water geryonid crabs: a continental slope resource
Hastie, L.C. (1995). Deep-water geryonid crabs: a continental slope resource, in: Ansell, A.D. et al. Oceanogr. Mar. Biol. Ann. Rev. 33. Oceanography and Marine Biology: An Annual Review, 33: pp. 561-584
In: Ansell, A.D.; Gibson, R.N.; Barnes, M. (Ed.) (1995). Oceanogr. Mar. Biol. Ann. Rev. 33. Oceanography and Marine Biology: An Annual Review, 33. UCL Press: London. ISBN 1-85728-363-5. vi, 665 pp., more
In: Oceanography and Marine Biology: An Annual Review. Aberdeen University Press/Allen & Unwin: London. ISSN 0078-3218; e-ISSN 2154-9125, more
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| Keywords |
Distribution
Population characteristics > Population structure
Population functions > Growth
Seasonal changes
Systematics
Zoogeography
Chaceon maritae (Manning & Holthuis, 1981) [WoRMS]; Chaceon quinquedens (Smith, 1879) [WoRMS]; Geryonidae Colosi, 1924 [WoRMS]
ISW, Africa [Marine Regions]; North America [Marine Regions]
Marine/Coastal |
| Author keywords |
Chaceon quinquedens; Eastern Gulf |
| Abstract |
The potentially exploitable deep-water crabs of the family Geryonidae are widely distributed on the continental slopes of the world, at depths of 200-1200m. Presently, only two species are of commercial importance: Chaceon maritae in South West African waters, and C. quinquedensChaceon and Geryon. Given the deep-water distribution at low temperatures, slow growth and maturation rates, and possibly infrequent recruitment of geryonid crabs, it is doubtful if high yields are sustainable. Hence, the choice facing geryonid fishery managers may be between a large open ''boom and bust'' short-term fishery, or a much smaller restricted long-term fishery that hopefully could be sustained. However, more knowledge of geryonid biology and population dynamics is required before any effective management measures can be implemented. |
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