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Diadromous Least Concern 🌡️ Subtropical

Gasterosteus Nipponicus

Gasterosteus nipponicus Higuchi, Sakai & Goto, 2014
Max Length
7.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Gasterosteus Nipponicus (Gasterosteus nipponicus) is a ray-finned fish of the family Gasterosteidae. It inhabits diadromous, migrating between freshwater and the sea waters. This species can reach a maximum total length of 7.2 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Gasterosteus nipponicus
Authority
Higuchi, Sakai & Goto, 2014
Habitat
Diadromous
Climate
Subtropical
IUCN Status
LC
Max Length
7.2 cm
Trophic Level
3.3
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 10 - 15; Anal soft rays: 7 - 11; Vertebrae: 30 - 34. Gasterosteus nipponicus is distinguished from its congeners by the combination of the following characters: lateral plates complete, abruptly reducing in size above the anus, depth of lateral plate above the anus

🌀 Behaviour

Behavioural data for Gasterosteus Nipponicus is currently being reviewed.

🦐 Diet

Diet information for Gasterosteus Nipponicus is currently being compiled.

🥚 Reproduction

Reproduction data for Gasterosteus Nipponicus is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; benthopelagic. Subtropical west to the southern and eastern coasts of Korean Peninsula, the Maritime Territory and north to Sakhalin Island, Russia.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Trophic Level
3.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.06 (TL)
Max TL
7.2cm
Dorsal Spines
3
Dorsal Rays
13
Anal Rays
9
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Subtropical
Described By
Higuchi, Sakai & Goto, 2014

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