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💧 Freshwater Endangered 🌡️ Temperate

Norin goby

Knipowitschia radovici Kovačić, 2005
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Specimens were collected in a karstic river with fresh, oligotrophic, running water. The adults collected only in the main current at the greatest river depth (5.5 meter); bottom was clear gravel laterally becoming muddy; the juvenile (paratype) was collected in shallow waters, among vegetation .

Scientific Name
Knipowitschia radovici
Authority
Kovačić, 2005
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
2.8 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 8. Diagnosis: This species differs from its congeners by the following combination of characters: squamation is reduced to axillar and caudal peduncle patches, unconnected or connected with single row along lateral midline; the anterior oculoscapular canal is present, ending anteriorly with or without pore ?; the preopercular canal is present (at least in a part of the population); the pelvic frenum has a crenate rear edge; suborbital longitudinal row b anteriorly beginning below rear border of eye; anterior dorsal row m is present; oculoscapular row u absent; single papilla of interorbital row p is present, at least in a part of a the population .: fusiform / normal.

🌀 Behaviour

Behavioural data for Norin goby 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; depth range ? - 6 m . Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3 (TL)
Max TL
2.8cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Kovačić, 2005

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