Austrolebias
charrua
Costa %26 Cheffe, 2001
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Family:
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Rivulidae
(Rivulines)
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Order:
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Cyprinodontiformes
(rivulines, killifishes and live bearers)
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Class:
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Actinopterygii (ray-finned fishes)
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In this site name:
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Max. size:
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4.7 cm SL (male/unsexed; Ref. 44045); 4.17 cm SL (female) |
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Environment: |
benthopelagic; non-migratory; freshwater
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Climate: |
tropical |
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Importance:
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Resilience: |
High, minimum population doubling time less than 15 months(Preliminary K or Fecundity.)
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Distribution:
Go to ccfishery.net
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South America: Laguna dos Patos basin in Brazil.
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Morphology:
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Dorsal
spines
(total): 0 - 0;
Dorsal
soft rays
(total): 16 - 26;
Anal
spines: 0;
Anal
soft rays: 21 %26#150; 29;
Vertebrae: 28 %26#150; 31. Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes; stripes of equal size to, or wider than the light interspaces) and a vertically paired black blotch on caudal peduncle of juveniles and females (versus small spots irregularly arranged, or a single round dorsally positioned spot, or no spots on caudal peduncle). Scales on longitudinal series 28-30, supraorbital neuromasts 19-24, caudal fin rounded (fin rays 23-26), pharyngobranchial teeth 2-5. Dorsal fin origin anterior to anal fin origin in females.
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Biology: |
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Red List Status: |
Not in IUCN Red List (Ref. 57073)
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Dangerous:
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harmless
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Coordinator: |
Costa, Wilson J.E.M.
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