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).
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 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 2.4 - 11.6, mean 5.1 °C (based on 55 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00126 - 0.00477), 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): Moderate to high vulnerability (45 of 100).
