Teleostei (teleosts) >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Trachonurus: Greek, trachon, -onos = roughness + Greek, oura = tail (Ref. 45335); gagates: Named in reference to the dark scale covering of the body.
More on authors: Iwamoto & McMillan.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 436 - 1240 m (Ref. 13675). Deep-water; 15°S - 44°S
Western Pacific: Australia and New Zealand.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 47.8 cm TL male/unsexed; (Ref. 13675)
Dorsal spines (total): 2; Dorsal soft rays (total): 6 - 8. Without a grooved lateral line. Chin barbel 4-8 % of head length. Suborbital width, 13-15%; postorbital length of head 50-55%. Total gill rakers of first arch (mesial) 11-13; second arch (lateral or mesial) 10-13/10-12. Scale rows below mid-base of first dorsal 25-31; over a distance equal to predorsal length usually 35-42; and between pelvic fin base and gill cover 11-14. Mouth moderately large; lips thick and fleshy (Ref. 13675).
Body shape (shape guide): elongated.
A benthic species found on the continental slope (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Iwamoto, T. and P. McMillan, 1997. A new grenadier , genus Trachonurus, from New Zealand and Australia (Pisces: Gadiformes: Macrouridae). Mem. Mus. Victoria 56(1):255-259. (Ref. 13675)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
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