التصنيف / Names
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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).
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Tropical
Africa: Madagascar.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 14.7 cm SL ذكر/ مختلط الجنس; (Ref. 57663)
الأشواك الظهرية (المجموع) : 14; الأشعة الظهرية الناعمة (المجموع) : 11 - 12; شوكة شرجية: 3; أشعه شرجية لينه: 9; فقرات: 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
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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 Red List Status (Ref. 130435: Version 2024-1)
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
مستوى غذائي (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
