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Teleostei (teleosts) >
Cyprinodontiformes
(Rivulines, killifishes and live bearers) >
Poeciliidae
(Poeciliids) > Poeciliinae
Etymology:
Gambusia:
Gambusia: From the Cuban term, Gambusino, which means "nothing", usually in the context of a joke or a farce. Fishing for gambusinos = when one catches nothing (Ref.
45335
)
.
More on author:
Günther
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Head and body gray. A triangular black blotch below the eye. Caudal fin with 6 - 7 black spots forming a vertical series in the center of the fin; sometimes there are similar spots on the dorsal fin. Anal fin dusky. Snout pointed. Dorsal fin inserts behind the end of the anal-fin base (Ref.
36880
).
Collected only on three occasions in the mouth of slow-moving streams, in brackish or fresh waters within a few meters of the sea. Swims in small groups near the surface over sandy or muddy bottoms at temperatures of 25-26°C. Feeds on aquatic insects (Ref.
36880
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
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
)
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [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
).
Trophic level (Ref.
69278
): 3.2 ±0.40 se; based on food items.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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