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💧 Freshwater Extinct 🌡️ Temperate

Techirghiol stickleback

Gasterosteus crenobiontus Băcescu & Mayer, 1956
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults inhabit springs. Mature individuals spawn in February - October . Males build, guard and aerate the nest where the eggs are deposited .

Scientific Name
Gasterosteus crenobiontus
Authority
Băcescu & Mayer, 1956
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
EX
Max Length
6.5 cm
Trophic Level
3.3
Resilience
High
Vulnerability
13.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Distinguished from congeners in Europe by possessing two unique characters: 13-17 scutes on trunk, no scutes above anal base; and posterior edge of scutes smooth. Differs further by having scutes forming a lateral keel on caudal peduncle .: fusiform / normal.

🌀 Behaviour

Behavioural data for Techirghiol stickleback is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 🪺 Nest Builder
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

Males build, guard and aerate the nest where the eggs are deposited .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate south of Constanta), Romania.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.06 (TL)
Max TL
6.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Extinct
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Băcescu & Mayer, 1956

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Techirghiol Stickleback
🌍CES koljuška rumunská

Scientific Synonyms

Scientific Name Author Year Status
Gasterosteus aculeatus crenobiontus Băcescu & Mayer 1956 Synonym

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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