分類 / Names
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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.; bensbach: Named for the Bensbach River at the southwestern corner of Papua New Guinea, the type locality; noun in apposition..
More on author: Randall.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Oceania: Papua New Guinea.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 10.7 cm SL オス/雌雄の選別がない; (Ref. 84817)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 71 - 76; 臀鰭: 53 - 59; 脊つい: 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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
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のレッドリストの状況は (Ref. 130435)
絶滅危惧 (EN) (B1ab(iii)); Date assessed: 04 June 2020
Human uses
用具
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
