Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Soleidae
Etymology: Leptachirus: Name from the Greek 'leptos' meaning thin and the soleid genus Achirus Lacepède, in reference to the very thin and slender body of the species.; bensbach: Named for the Bensbach River at the southwestern corner of Papua New Guinea, the type locality; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Oceania: Papua New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.7 cm SL male/unsexed; (Ref. 84817)
Morphology | Morphometrics
soft rays: 53 - 59;
Vertebrae: 40 - 41. This species is distinguished by the following characters: D 71-76; A 53-59; pelvic rays 3-4; lateral-line scales 88-95; lateral line on ocular side of head with a ventral branch of 4-9 pores, remaining horizontal anterior part with 5-7 pores; vertebrae 40-41 (modally 40); dorsal pterygiophores anterior to fourth neural spine 8; body depth 3.0-3.45 in SL; no caudal peduncle or extremely short; head length 4.35-4.7 in SL; small eyes, eye diameter 7.35-8.5 in HL; interorbital width 9.3-13.7 in HL; longest dorsal ray 1.85-1.95 in HL; caudal fin 4.3-4.6 in SL; pelvic fins and genital papilla not joined, their origins adjacent; short pelvic fins, reaching little beyond base of first anal ray, 2.8-3.2 in HL; ocular side light brown mottled with small darker brown blotches; 3 longitudinal rows of dark brown blotches of one to two eye diameters in size; dorsal and anal fins with indistinct brown spots centered on single rays and membrane to each side; caudal fin pale yellowish with a row of dark brown spots at base and small fainter spots on basal half of fin (Ref. 84817).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E., 2007. Leptachirus, a new soleid fish genus from New Guinea and northern Australia, with descriptions of eight new species. Records of the Western Australian Museum 24:81-108. (Ref. 84817)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .