Melanorivulus Kayabi

📖 Overview

Melanorivulus Kayabi (Melanorivulus kayabi), first described by Costa, 2008 is a tiny fish in the family Rivulidae (order Cyprinodontiformes). Adults typically reach 3.00 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 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): 8 - 10; Anal soft rays: 12 - 14; Vertebrae: 30 - 31. Differs from all other species of the subgenus Melanorivulus by the possession of the following combination of characters: flank with red marks arranged in chevron-like pattern with vertex on the ventral part of the flank; pelvic fin usually with 6 rays, or sometimes 7 when including a rudimentary ray; scales in the longitudinal series 31-33; dorsal portion of the caudal fin in females with a horizontal series of white spots; pectoral fin with 13 rays; caudal fin with 28-31 rays; and flank in both sexes with conspicuous red bars . : elongated.

🌀 Behaviour

Behavioural data for Melanorivulus Kayabi is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.7 - 6.0. Tropical South America: middle and upper reaches of the Tapajós river basin in Brazil.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

Scientific Synonyms

🦠 Common Diseases

The following diseases are known to affect Melanorivulus Kayabi.

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

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

👥 Community & Contribute