Flagfin mojarra (Eucinostomus melanopterus)

Image source: Adrian Torres B. | inaturalist.org
General data
- Main name: Flagfin mojarra
- Climates: Tropical, Subtropical
- Habitat: Amfidromous
- Native: Africa, North America, South America
- Distribution: Atlantic Ocean
Classification
- Genus: Eucinostomus - Eucinostomus
- Family: Gerreidae - Mojarras
- Order: Perciformes - Perches
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes
Description
Eastern Atlantic: west African coast, from Senegal to Angola. Also reported from Mauritania. Western Atlantic: Bermuda and Florida, USA to Brazil. Max length: 30 cm TL Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 7 - 8. Body fusiform and compressed; snout pointed; mouth strongly protrusible; nostrils contiguous, positioned nearer to eye than to snout tip; dorsal fin deeply notched; tips of pectoral fins not reaching to anal-fin origin; scales cycloid on head and finely ctenoid on body; scales of interocular space reaching anterior border of eyes; tip of spinous dorsal fin with a black spot, underlined by a whitish band. Coloration: back olivaceous, sides silvery; a characteristic black spot at tip of spiny part of dorsal fin; young individuals may show dark vertical bars on back and sides. A coastal species entering estuaries, lower courses of coastal rivers, and lagoons. Found over sand or mud bottom. Feeds on fish, shrimps, mollusks, zooplankton and detritus.