Moema Heterostigma

📖 Overview

Moema Heterostigma (Moema heterostigma), first described by Costa, 2003 is a small fish in the family Rivulidae (order Cyprinodontiformes). Adults typically reach 7.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.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 soft rays (total): 10 - 13; Anal soft rays: 18 - 20; Vertebrae: 38 - 39. Possesses filamentous rays on the pectoral fin tip of male; scale rows around caudal peduncle 20; presence of a subproximal horizontal row of orange spots and a distal orange stripe on male anal fin, and orange spots on basal portion of dorsal, anal and caudal fins of male; absence of a black humeral blotch; having distinctive oblique rows of dark brown dots on flank, small round orange spots on the ventral portion of male caudal fin, and longer male pelvic fin, tip reaching between base of 5th and 7th anal fin ray .: elongated.

🌀 Behaviour

Behavioural data for Moema Heterostigma is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Rio Paraguay basin in Brazil.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

🦠 Common Diseases

The following diseases are known to affect Moema Heterostigma.

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

👥 Community & Contribute