رده بندی / Names
اسامي عام | مترادف | Catalog of Fishes(جنس, گونه ها) | ITIS | CoL | WoRMS | Cloffa
>
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Biotoecus: Greek, biotos, ou = life, existence + Greek, oikos = house, habitat (Ref. 45335); dicentrarchus: Named for the 2 anal fin spines, Greek prefix 'di' for two and nouns 'kentron' for spine and 'archos' for vent; noun in apposition (Ref. 86446).
More on author: Kullander.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Tropical
South America: Orinoco River basin, from the Inírida River (Colombia) to Maripa, (Venezuela)
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 3.8 cm SL جنس نر / بدون خواص جنسي; (Ref. 36377)
خارهاي باله پشتي (کل) : 7 - 8; شعاع نرم باله پشتي (کل) : 14 - 16; خارهاي باله مخرجي: 2; شعاع نرم باله مخرجي: 6 - 8. This species is distinguished from all other cichlids by having only two (vs. three or more) anal spines; differs from B. opercularis by lacking anguloarticular lateralis canal; 3 or 4 (vs. 5) skin openings and 2 or 3 (vs. 4) canal fragments representing the dentary lateralis canal; dorsal fin with slightly prolonged anterior spines and lappets; modal dorsal fin count VII.15 (vs. VIII.14); and 6 (vs. 5) dark spots along the middle of the side (Ref. 86446).
The type locality was a shallow laguna about 25 m wide, with transparent water, vegetation resembling needlegrass; water temperature 34°C; associated with another cichlid species,
Crenicara filamentosum, the dominant species at the locality (Ref. 86446).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Eggs are deposited at the ceiling of a cave; the female tends to eggs and yolk-sac larvae; both parents care for the free-swimming young (Ref. 42051).
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00283 - 0.01852), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Assuming Fec<1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
