Actinopteri (ray-finned fishes) > Aulopiformes
(Grinners) > Aulopidae
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.. More on author: Tanaka.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 100 - 500 m (Ref. 51600), usually - m (Ref. ). Subtropical; 0°C -
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)
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).
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. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 4.1 - 20.2, mean 15.2 °C (based on 50 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00187 - 0.01067), 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
Vulnerability (Ref. 59153
): Low to moderate vulnerability (28 of 100) .