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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Temperate

Achondrostoma Oligolepis

Achondrostoma oligolepis Robalo, Doadrio, Almada & Kottelat, 2005
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
39.00/100
Typical Length
15 cm
Depth Zone
-

📖 Overview

Occur in coastal rivers and terminal segments of main rivers. Adults are found commonly in lower reaches of rivers . Threatened due to pollution and habitat destruction .

Scientific Name
Achondrostoma oligolepis
Authority
Robalo, Doadrio, Almada & Kottelat, 2005
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
25 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
39.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Diagnosed from its congeners by the possession of the following characters: lateral line usually with 30-38 + 2-3 scales; 3-4 (usually 3) scale rows between lateral line and pelvic fin origin; 11-12 circumpeduncular scale rows; eye diameter smaller than snout length; snout rounded, obtuse; and ventral profile of head with a marked angle at articulation of lower jaw .: fusiform / normal.

🌀 Behaviour

Behavioural data for Achondrostoma Oligolepis 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; potamodromous . Temperate; 43°N - 38°N, 9°W - 6°W south of Douro) (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.14 (TL)
Max TL
25cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Robalo, Doadrio, Almada & Kottelat, 2005

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