Teleostei (teleosts) >
Aulopiformes (Grinners) >
Aulopidae (Aulopus)
Etymology: Leptaulopus: Name from Greek 'leptos' meaning slender and 'aulopus' for a name long applied to the broader group of fishes to which the genusbelong; referring to the slender form of the speciesit comprises.
Eponymy: Not an eponym, but apparently derived from its Japanese name, Eso-damashi. (Ref. 128868), visit book page.
More on author: Tanaka.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 100 - 500 m (Ref. 51600). Subtropical
Western Pacific: Japan, East China Sea, Taiwan and Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 31.1 cm SL male/unsexed; (Ref. 94775)
Dorsal spines (total): 0; Dorsal soft rays (total): 14; Anal spines: 0; Anal soft rays: 8 - 9. Distinguished from other Aulopus species of Japan in having fewer dorsal fin rays, and its orbit that is less than snout length. Second dorsal ray in males not prolonged; pyloric caeca 9-13 (Ref. 31559).
Body shape (shape guide): elongated; Cross section: circular.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gomon, M.F., C.D. Struthers and A.L. Stewart, 2013. A new genus and two new species of the family Aulopidae (Aulopiformes), commonly referred to as Aulopus Flagfins, Sergeant Bakers or Threadsails, in Australasian waters. Spec. Div. 18:141-161. (Ref. 94775)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
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Special reports
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Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00437 (0.00183 - 0.01043), b=3.12 (2.91 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
4.1 ±0.7 se; based on size and trophs of closest relatives |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |