Austrolebias
adloffi
(Ahl, 1922)
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Family:
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Rivulidae
(Rivulines)
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May show another species!
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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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5.0 cm TL (male/unsexed; Ref. 27139) |
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Environment: |
benthopelagic; non-migratory; freshwater
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Climate: |
tropical; 20 %26#150; 24%26deg;C |
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Importance:
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aquarium: commercial |
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Resilience: |
High, minimum population doubling time less than 15 months(Preliminary K or Fecundity.)
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Distribution:
ccfishery.net
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South America: Rio Grande do Sul, Brazil.
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Morphology:
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Dorsal
spines
(total): 0 - 0;
Dorsal
soft rays
(total): 18 - 24;
Anal
spines: 0;
Anal
soft rays: 23 %26#150; 30;
Vertebrae: 27 %26#150; 30. Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes; stripes narrower than 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 26-28, supraorbital neuromasts 16-19, pharyngobranchial teeth 2-5. Dorsal fin origin posterior to anal fin origin in females. Caudal fin rounded (fin rays 21-22).
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Biology: |
Bottom spawner, 3-5 months incubation. Is difficult to maintain in aquarium (Ref. 27139).
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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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