Teleostei (teleosts) >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 606 - 750 m (Ref. 26363). Deep-water; 33°S - 37°S
Southwest Pacific: Wanganella Bank and northern New Zealand.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 63.5 cm TL male/unsexed; (Ref. 26363)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2. Extremely elongated snout 50.0-54.7% HL; head 2.9-3.2 in TL; ventral surface of head and lower jaw covered with spinulated scales; suborbital ridge supported by continuous bone; internasal broad, 14.2-15.2% HL; oval dermal window of the light organ well defined; scales small, 6-9 below origin of second dorsal fin; body brownish without any distinctive markings (Ref. 26363).
Body shape (shape guide): elongated.
A benthic species found on the continental slope (Ref. 75154). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McMillan, P.J. and C.D. Paulin, 1993. Description of nine new species of rattails of the genus Caelorinchus (Pisces, Macrouridae) from New Zealand. Copeia 1993(3):819-840. (Ref. 26363)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00257 (0.00132 - 0.00501), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
High to very high vulnerability (68 of 100). 🛈 |