Actinopteri (ray-finned fishes) > Gadiformes
(Cods) > Macrouridae
(Grenadiers or rattails)
Etymology: Lepidorhynchus: Greek, lepis = scale + Greek, rhyngchos = snout (Ref. 45335).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; non-migratory; depth range 180 - 1000 m, usually 270 - 450 m (Ref. 9563). Deep-water; 21°S - 56°S, 113°E - 172°W
Eastern Indian Ocean and Southwest Pacific: Australia ( Western Australia, South Australia, Victoria, New South Wales and Tasmania) and New Zealand.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 55.0 cm TL male/unsexed; (Ref. 1371)
Morphology | Morphometrics
spines: 0. Head with scarcely developed ridges; eyes large; chin barbel short; light organ small, adjacent to anus. First dorsal-fin spine smooth. Scales densely covered with lanceolate spinules, arranged in quincunx or convergent rows.
Occurs on the continental slope (Ref. 9563).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: minor commercial
Estimates based on models
Preferred temperature (Ref. 123201
): 6.9 - 12.5, mean 9.2 °C (based on 58 cells).
Phylogenetic diversity index (Ref. 82804
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00132 (0.00079 - 0.00220), b=3.14 (2.99 - 3.29), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.53 se; based on food items.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Assuming tm>4).
Fishing Vulnerability (Ref. 59153
): Moderate vulnerability (42 of 100).
Climate Vulnerability (Ref. 125649
): Moderate to high vulnerability (50 of 100).
Nutrients (Ref. 124155
): Calcium = 20.5 [9.5, 42.6] mg/100g ; Iron = 0.458 [0.243, 0.849] mg/100g ; Protein = 17.4 [15.1, 19.4] % ; Omega3 = 0.262 [0.132, 0.505] g/100g ; Selenium = 16.2 [7.1, 37.4] μg/100g ; VitaminA = 17.3 [4.4, 66.7] μg/100g ; Zinc = 0.464 [0.308, 0.701] mg/100g (wet weight); based on nutrient studies.