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Length–weight relations for seven grenadier species (Actinopterygii: Gadiformes: Macrouridae) to the west of Ireland
Length–weight relations for seven grenadier species (Actinopterygii: Gadiformes: Macrouridae) to the west of Ireland
- Source :
- Acta Ichthyologica et Piscatoria 43(4): 285-291
- Publication Year :
- 2013
- Publisher :
- Pensoft Publishers, 2013.
-
Abstract
- Length-weight regressions for seven grenadier species: Coryphaenoides rupestris Gunnerus, 1765, Trachyrincus murrayi Gunther, 1887, Coelorinchus caelorhincus (Risso, 1810), Nezumia aequalis (Gunther, 1878), Coryphaenoides mediterraneus (Giglioli, 1893), Coelorinchus labiatus (Kohler, 1896), and Coryphaenoides guentheri (Vaillant, 1888) are calculated from data collected on a series of deepwater surveys conducted by the Irish Marine Institute from 2006 to 2009, on the continental slope to the west and northwest of Ireland and the northern slope of the Porcupine Bank. The regression calculated for roundnose grenadier, C. rupestris, is compared with other regressions calculated for the species from different areas of its north Atlantic range. The difficulties associated with measuring many grenadier species, due to the fragility of their tails, are discussed. A recommendation is made that pre-anal fin length should be accepted as the standard.
- Subjects :
- roundnose grenadier
pre-anal fin length
biology
Length weight
growth
Gadiformes
regression comparison
Actinopterygii
Aquatic Science
fishes
biology.organism_classification
length–weight regression
nezumia-aequalis
Fishery
deepwater survey
rattails
pisces
whiptails
northeast Atlantic
atlantic
length-weight regression
Subjects
Details
- Language :
- English
- ISSN :
- 17341515 and 01371592
- Database :
- OpenAIRE
- Journal :
- Acta Ichthyologica et Piscatoria
- Accession number :
- edsair.doi.dedup.....b0adbb5ff13ddfb00c9747f1395c04f5
- Full Text :
- https://doi.org/10.3750/AIP2013.43.4.04