Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Macrouridae
(Grenadiers or rattails) > Macrourinae
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335); melanosagmatus: Named for the dark saddle markings on the body; adjective. More on authors: Iwamoto & Anderson.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 293 - 400 m (Ref. 33374). Deep-water
Indian Ocean: off Tanzania, Kenya, and the Andaman Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.0 cm TL male/unsexed; (Ref. 33374)
Morphology | Morphometrics
(total): 8-9. Second dorsal fin high. Snout slender, terminal scute elongated and sharp (when complete). Underside of head naked. Nasal fossa naked dorsal to suborbital ridge. Horizontal diameter of orbit one-quarter or less of head length, about 1.6-2.2 into snout length. Anterolateral snout margin incompletely supported by bone. Body scales large, with 5-7 parallel to slightly divergent spinule rows. Light organ long, extending from just behind isthmus to before anus. Anus immediately anterior to anal fin. Body with prominent dark bands; first dorsal fin black tipped (Ref. 33374).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Iwamoto, T. and M.E. Anderson, 1999. New species of Caelorinchus (Macrouridae, Gadiformes, Teleostei) from the Indian Ocean. Copeia 1999(4):1079-1083. (Ref. 33374)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 11.3 - 12.9, mean 11.7 (based on 20 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00097 - 0.00495), b=3.17 (2.98 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (31 of 100) .