Melanorivulus Modestus
📖 Overview
Melanorivulus Modestus (Melanorivulus modestus), first described by Costa, 1991 is a tiny fish in the family Rivulidae (order Cyprinodontiformes). Adults typically reach 4.00 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): 10 - 11; Anal soft rays: 13 - 14; Vertebrae: 30. Sides of body and unpaired fins of males without dark markings. 31-35 total caudal-fin rays. Body depth always greater than 20.0% SL (Ref 26657).: elongated.
🌀 Behaviour
Behavioural data for Melanorivulus Modestus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic; pH range: 6.5 - 7.0; non-migratory. Tropical; 25°C - 28°C South America: Tapajós River basin, Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Melanorivulus Modestus.
🔍 Similar Species
👥 Community & Contribute
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