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🌊 Marine 🌡️ Subtropical

Ryukyu banded silver-biddy

Gerres ryukyuensis Iwatsuki, Kimura & Yoshino, 2007
Max Length
13.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Ryukyu banded silver-biddy (Gerres ryukyuensis) is a ray-finned fish of the family Gerreidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 13.9 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Gerres ryukyuensis
Authority
Iwatsuki, Kimura & Yoshino, 2007
Habitat
Marine
Climate
Subtropical
Max Length
13.9 cm
Trophic Level
3.3
Resilience
High
Vulnerability
18.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Ryukyu banded silver-biddy is currently being compiled.

🌀 Behaviour

Behavioural data for Ryukyu banded silver-biddy is currently being reviewed.

🦐 Diet

Diet information for Ryukyu banded silver-biddy is currently being compiled.

🥚 Reproduction

Reproduction data for Ryukyu banded silver-biddy is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; demersal. Subtropical Northwest Pacific: currently known only from the Haneji Inland Sea, northwestern part of Okinawa I.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3.04 (TL)
Max TL
13.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Subtropical
Described By
Iwatsuki, Kimura & Yoshino, 2007

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