Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce; salobre bentopelágico. Tropical; 24°C - 30°C (Ref. 36880)
Central and South America: Atlantic and Caribbean coastal rivers.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm SL macho / no sexado; (Ref. 79722)
Most specimens were collected from freshwater habitats, but there are some caught from estuaries and mangrove areas; while planktonic juveniles have been collected well offshore at sea. Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205). Brooding males present in collections from all months except November, December, February, and May (Ref. 30499).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Male carries the eggs in a brood pouch (Ref. 205).
Greenfield, D.W. and J.E. Thomerson, 1997. Fishes of the continental waters of Belize. University Press of Florida, Florida. 311 p. (Ref. 30499)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00037 (0.00016 - 0.00085), b=3.18 (2.99 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).