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Rivulidae

Arenal rivulus

Cynodonichthys fuscolineatus

Seven Point Five Centimeters Rivulid Fish from the Atlantic Ocean

Brown
Tropical
Regional distribution
Freshwater fish
Atlantic Ocean
Central America and the Caribbean
Small
Tropical fish

Arenal rivulus is known from Central America as a freshwater fish. It occurs in freshwater habitats.

Class: Teleosts
Order: Killifishes and Livebearers
Family: Rivulidae
Genus: Cynodonichthys
Maximum length: 7.5 cm
Water: Freshwater
Distribution: Central America: Atlantic river basins of Costa Rica.

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