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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 670 - 710 m (Ref. 26363). Deep-water
Distribution
Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southwest Pacific: Wanganella Bank (Ref. 26363). Western Central Pacific: Australia (Ref. 75154).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.5 cm TL male/unsexed; (Ref. 26363)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2. Ventral surface of head and lower jaw devoid of scales; large triangular naked areas on anterior dorsal snout; oval, narrow ventral dermal window of light organ before anus, about or less than half orbit diameter in length lateral and medial processes of nasal bones continuous; orbit small, 25.8-28.0% HL; snout long, 43.3-49.2% HL; trunk peppered with large melanophores below midline, dense ventrally; posteriorly melanophores numerous, rising above midline to reach dorsal surface; dorsal fin dark tipped (Ref. 26363).
Body shape (shape guide): elongated.
A benthic species found on the continental slope (Ref. 75154). Caught with Caelorinchus innotabilis (Ref. 26363).
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)
Threat to humans
Harmless
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