Kryptolebias marmoratus
(Poey 1880)
Family Cynolebiidae
The mangrove rivulus is a member of the family of New World rivulines. The mangrove rivulus has an ocellus comprising a cream-colored ring, and a black center is present at the upper caudal fin base – except in males. This species has tubular nostrils and no lateral line. The single dorsal fin is placed far back on the body, above the last few rays of the anal fin. The mangrove rivulus is a marine species that occasionally inhabits freshwater ditches and canals, and is usually found on mud in mangrove swamps and other brackish-water environments.
Status & distribution
- Status — Marine invader
- Florida Distribution — Gulf Coast; South Florida; Atlantic Coast