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💧 Freshwater Data Deficient 🐠 Aquarium 🌡️ Subtropical

Devario Interruptus

Devario interruptus Day, 1870
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
15.00/100
Typical Length
5 cm
Depth Zone
-

📖 Overview

Devario Interruptus (Devario interruptus), first described by Day, 1870 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 6.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Cyprinidae kept in the hobby.

Scientific Name
Devario interruptus
Authority
Day, 1870
Habitat
Freshwater
Climate
Subtropical
IUCN Status
DD
Max Length
6 cm
Trophic Level
3
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 10 - 11; Anal soft rays: 12 - 15; Vertebrae: 34 - 36. Incomplete lateral line; infraorbital process absent; branched dorsal fin rays 7-8, branched anal fin rays mostly 10-11. Can be distinguished from all other Danio species by the following combinations of characters: a series of short and wide vertical bars or blotches anteriorly on the sides, followed by a horizontal dark P stripe ending at caudal fin base; a short, incomplete lateral line; and barbels absent . The most similar species, D. shanensis, has the lateral line complete or nearly complete (23-32 versus 7017 pored scales), a shorter distance between the cleithral spot and the first vertical bar (2-3 scales versus 0.5-1.0 scale), and deep and thin vertical bars instead of short and wide vertical bars or blotches anteriorly on the sides.

🌀 Behaviour

Behavioural data for Devario Interruptus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00603 × L3.13 (TL)
Max TL
6cm
Dorsal Rays
11
Anal Rays
14
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Subtropical
Described By
Day, 1870

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