Peixe-anual

📖 Overview

Peixe-anual (Cynopoecilus nigrovittatus), first described by Costa, 2002 is a tiny fish in the family Rivulidae (order Cyprinodontiformes). Adults typically reach 4.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Near Threatened.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Rivulidae kept in the hobby.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 17 - 20; Anal spines: 0; Anal soft rays: 23 - 27; Vertebrae: 28 - 29. Dorsal head profile of adult male strongly concave; lateral body stripes of male black; bright blue zone along the posterior margin of caudal fin of male; dark spots on the entire caudal fin of male; pectoral fin length of male 19.6-23.4% SL; longitudinal rows of spots on body of male light blue; pelvic fin length 6.3-7.2% SL in male and 6.4-7.4 in female; dark brown irregular marks on dorsum below dorsal fin of male; 15-17 supraorbital neuromasts and 1-3 neuromasts per scale of the lateral line .

🌀 Behaviour

Behavioural data for Peixe-anual is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Brazil.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

🦠 Common Diseases

The following diseases are known to affect Peixe-anual.

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

👥 Community & Contribute