Cynodonichthys fuscolineatus (Bussing, 1980)
Cynodonichthys fuscolineatus
photo by Vermeulen, F.

Family:  Rivulidae (Rivulines), subfamily: Rivulinae
Max. size:  7.5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  Central America: Atlantic river basins of Costa Rica.
Diagnosis:   
Biology:  Mainly in waters of moderate to high current velocity between 525 and 695 m elevation, also abundant in a pool with much vegetation and little current. More abundant in waters of greater current velocity. Always swims near a grass or undergrowth refuge over muddy or sand bottoms. Eats aquatic insects (Ref. 36880). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
IUCN Red List Status: Endangered (EN); Date assessed: 24 September 2019 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless


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