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🌊 Marine 🌡️ Tropical

Hawaiian silverside

Atherinomorus insularum Jordan & Evermann, 1903
Max Length
9.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–2 m
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Swim in small schools during the day close to the shoreline, disperse at night spreading over the reef. Nocturnal feeders of plankton, mostly crustaceans and forams. Preyed upon by larger species.

Scientific Name
Atherinomorus insularum
Authority
Jordan & Evermann, 1903
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
Max Length
9.8 cm
Depth Range
0–2 m
Trophic Level
3.2
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 6 - 8; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 15 - 18. Slender fish with moderately laterally compressed body. Teeth on vomer very small and difficult to see. Gill rakers with spinules longer than diameter of pupil. Predorsal scales 20-23.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Hawaiian silverside is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 0 - 2 m . Tropical; 27°N - 14°N, 114°E - 152°W Central Pacific: Hawaiian Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.2±0.2
🐠 Schooling 🌙 Nocturnal

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.15 (TL)
Max TL
9.8cm
Dorsal Spines
7
Dorsal Rays
11
Anal Spines
1
Anal Rays
17

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Jordan & Evermann, 1903

👥 Community & Contribute

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