Cynolebias microphthalmus Costa & Brasil, 1995
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Family:  Rivulidae (Rivulines), subfamily: Cynolebiinae
Max. size:  12 cm TL (male/unsexed); 5.02 cm SL (female)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  South America: Jaguaribe and MossorĂ³ River basins in Brazil.
Diagnosis:  Dorsal soft rays (total): 15-19; Anal soft rays: 18-21; Vertebrae: 35-36. Males with broad basihyal. Neurocranium wide. Ventral opercular neuromasts 6-11; supraorbital neuromasts 26-30. Slightly pointed snout. Anal-fin base without scales and distal part of anal fin of males with long filamentous re rays. Dorsal-fin rays 17-19 in males, 15-17 in females; anal-fin rays 19-21 in males, 18-19 in females; caudal fin rays 30. Caudal and pectoral fin rounded. Snout gently pointed with lower jaw not elongated (Ref. 40938).
Biology:  Bottom spawner, ? months incubation (Ref. 27139).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Bailly, Nicolas - 09.09.98
Modified by: Torres, Armi G. - 27.10.15

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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