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Pleuronectiformes (Flatfishes) >
Soleidae (Soles)
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.; polylepis: Named from the Greek meaning many scales, in reference to its very high
lateral-line scale count..
More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный донно-пелагический; пределы глубины 1 - 4 m (Ref. 84817). Tropical
Oceania: Australia, Northern Territory.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 6.3 cm SL самец/пол неопределен; (Ref. 84817)
Краткое описание
определительные ключи | морфология | морфометрия
членистые (мягкие) лучи спинного плавника (общее число) : 70 - 77; членистые (мягкие) лучи анального плавника: 54 - 58; позвонки: 40 - 42. This species is distinguished by the following characters: D 70-77; A 54-58; pelvic rays 4 or 5 (usually 4); lateral-line scales 103-111; lateral line on ocular side of head with a ventral branch of 5 to 6 pores, remaining horizontal anterior part with 3-4 pores; vertebrae 40-42; dorsal pterygiophores anterior to fourth neural spine 8-9 (usually 9); body depth 2.95-3.2 in SL; no caudal peduncle; head length 4.45-4.65 in SL; eye diameter 6.35-6.8 in HL; interorbital width 8.6-10.5 in HL; tubular anterior nostril short, only slightly longer than diameter of base, and tapering little; longest dorsal ray 1.8-2.15 in HL; caudal-fin length 4.15-4.7 in SL; pelvic fins and genital papilla not joined, their origins adjacent; pelvic fins short, reaching little beyond base of first anal ray, 2.7-3.1 in HL; colour in alcohol of ocular side brown, faintly mottled with small darker brown spots; with 3 longitudinal rows of dark brown spots, most vertically elongate, the largest two on lateral line; dorsal and anal fins with dark brown streaks on 2-4 adjacent rays; caudal fin with dark brown blotches on base (ref. 84817).
Gut material from a 5.85 cm specimen were found to be the remains of hemipteran insects (Ref. 84817).
Life cycle and mating behavior
Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки
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)
Статус Красного Списка МСОП (Ref. 130435)
Угроза для людей
Harmless
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00473 - 0.02021), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
