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💧 Freshwater Data Deficient 🐠 Aquarium 🌡️ Tropical

Eirmotus Octozona

Eirmotus octozona Schultz, 1959
Max Length
3.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Eirmotus Octozona (Eirmotus octozona), first described by Schultz, 1959 is a tiny fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 3.60 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 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
Eirmotus octozona
Authority
Schultz, 1959
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
DD
Max Length
3.6 cm
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Water Temp
24–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 11 - 12; Anal soft rays: 8 - 9. Differs from other congeners by the following unique combination of features: presence of 1 bar; presence of distinct black mark just anterior to anus, laterally and ventrally visible when viewed; simple dorsal-fin rays black in color, black pigment patch in some specimens reaching the first branched rays, other rays hyaline or in some specimens with diffused chromatophores on last dorsal-fin ray; last simple dorsal-fin ray with 25-31 serrae; presence of a faint black margrin along uppermost pectoral-fin ray; bar 5 equal to 1-1½ lateral row scales in width; mouth terminal, lower jaw wide, anteriorly rounded .: short and / or deep.

🌀 Behaviour

Behavioural data for Eirmotus Octozona is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 24°C - 26°C

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L3.02 (TL)
Max TL
3.6cm
Dorsal Rays
12
Anal Rays
9

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Schultz, 1959

🌐 Names & Taxonomy

Language Common Names
🌍CES parmička osmipruhá
🇷🇺Russian Эирмотус

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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