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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Brachyrhaphis: Greek, brachys, eia = short + Greek, raphis = needle (Ref. 45335).
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি ভাসমান ; pH range: ? - 8.0; dH range: ? - 8.5; অ_ পরিযায়ী. Tropical; 23°C - 32°C (Ref. 36880)
Central America: Costa Rica.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 36880)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
Sides with up to 12 dark bars, more prominent on males and diffused or absent in females. Caudal fin margin yellow or orange, submarginal darkened band in males. Distal half of dorsal fin yellowish or orange; the margin of the fin is black. Anal fin yellow with a black blotch. The gonopodium is shorter (mean 30.4% of SL) than B. olomina (mean 32.9 of SL) (Ref. 36880).
An insectivorous fish which lives in waters of low to moderate current velocity, rarely in strong current, from 3-540 m elevation; in temperatures 23-32°C. Inhabits midwater or near the surface in brooks and creeks; sometimes in shallow waters of large rivers (Ref. 36880).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Every 28 days, female gives birth to 10-30 young.
Can be very aggressive, even to their own Young. This updates previous information from Ref. 26130.
Lucinda, P.H.F., 2003. Poeciliidae (Livebearers). p. 555-581. 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, Brazil. (Ref. 50894)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00354 - 0.01865), b=3.16 (2.97 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.2 ±0.40 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
