رده بندی / Names
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Characiformes (Characins) >
Crenuchidae (South American darters) > Crenuchinae
Etymology: Crenuchus: Greek, krenoychos = the God of running waters.
More on author: Günther.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين سطح زی; pH range: 5.5 - 6.5; dH range: ? - 5. Tropical; 24°C - 28°C (Ref. 1672)
South America: Orinoco and Amazon River basins; and coastal rivers in the Guianas.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 5.7 cm TL جنس نر / بدون خواص جنسي; (Ref. 37059)
Little is known of its biology in its natural environment. Unlike most Characoids, this species is typically solitary and territorial. The dimensions of the mouth confirms its predatory habits. Its food consists mainly of Ephemeroptera larvae, copepods and ostracods. In the aquarium, only the male guards the spawned eggs. About a hundred eggs are deposited on the substrate and dispersed by the male (Ref. 12225). Reproduces by laying eggs on stones or submerged leaves (Ref. 27188).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00447 - 0.03086), b=3.08 (2.86 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.3 ±0.42 se; based on food items.
جهندگی (مرجع
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Fec=60).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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