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💧 Freshwater Endangered 🌡️ Subtropical

Iyidere goby

Ponticola rizensis Kovačić & Engín, 2008
Max Length
12.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in a stream with fresh, running water and a bottom with rounded pebbles, at an altitude of 11 m above sea level and 3.4 km away from the sea. Syntopic species found with this species were Alburnus bipunctatus, Barbus tauricus, Capoeta banarescui, Chalcalburnus chalcoides, Chondrostoma colchicum, Cobitis splendens; Lampetra lanceolata, Leuciscus cephalus, Liza aurata; Mugil cephalus, Rutilus frisii, and Salmo labrax .

Scientific Name
Ponticola rizensis
Authority
Kovačić & Engín, 2008
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
12.4 cm
Trophic Level
3.6
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 17; Anal spines: 1; Anal soft rays: 11 - 13. This species is distinguished by the following characters: D1 VII; D2 I/17; A I/11-13; P 17-18; nape completely with cycloid scales; width of head 1.4-1.6 of depth; interorbit 0.7-0.9 eye diameter; angle of jaws ending below anterior edge of eye; snout 1.6-1.8 orbit of eye; upper lip 0.9-1.3 lateral preorbital area; pelvic length 0.6 abdomen length; 2 suborbital transverse rows below row b; subortbital transverse rows 1, 2, and 3 begin more distant from orbit than row 4 . : fusiform / normal.

🌀 Behaviour

Behavioural data for Iyidere 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; benthopelagic. Subtropical; 40°N - , 40°E - known only from the Iyidere Iyidere stream drainage).

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.6±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
12.4cm
Dorsal Spines
8
Dorsal Rays
17
Anal Spines
1
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Kovačić & Engín, 2008

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