分類 / 名前
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Ptychochrominae
Etymology: Ptychochromis: Greek, ptyx, = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335); curvidens: Specific name comes from the Latin, curvus, a 'curve', and dens, a 'tooth', in reference to the apomorphically recurved oral jaw dentition characteristic for this species (Ref. 57663).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の. Tropical
Africa: Madagascar.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 14.7 cm SL オス/雌雄の選別がない; (Ref. 57663)
背面の脊椎 (合計) : 14; 背鰭 (合計) : 11 - 12; 肛門の骨: 3; 臀鰭: 9; 脊つい: 27 - 28. It is distinguished from all congeners by the presence of a characteristically robust and strongly recurved oral dentition (Ref. 57663). An extremely deep-bodied and robust species, rather less laterally compressed than other members of the genus (Ref. 57663). Coloration in life: body dark golden-green dorsal of midline, and bright, iridescent golden below; no distinctive lateral markings; unpaired fins dusky charcoal gray, membranes grayish to hyaline, pelvic fins hyaline proximal to base, blackish distally, and pectoral fins bright yellowish-orange (Ref. 57663). Ground coloration in preservative is dark brownish-green
Body shape (shape guide): short and / or deep.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Stiassny, M.L.J. and J.S. Sparks, 2006. Phylogeny and taxonomic revision of the endemic Malagasy genus Ptychochromis (Teleostei: Cichlidae), with the description of five new species and a diagnosis for Katria, new genus. Am. Mus. Novit. 3535:1-55. (Ref. 57663)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |