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🌊 Marine Least Concern 🌡️ Tropical

Japanese scad

Decapterus maruadsi Temminck & Schlegel, 1843
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults are found in the sublittoral zone and may enter semi-enclosed sea areas . In Guam, it is encountered in large numbers around fish aggregating devices, buoys anchored offshore to attract pelagic game fishes.

Scientific Name
Decapterus maruadsi
Authority
Temminck & Schlegel, 1843
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
30 cm
Latitude
26°S – 39°N
Trophic Level
3.4
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 30 - 36; Anal spines: 3; Anal soft rays: 25 - 30. : fusiform / normal.

🌀 Behaviour

Behavioural data for Japanese scad is currently being reviewed.

🦐 Diet

Diet information for Japanese scad is currently being compiled.

🥚 Reproduction

Size at Maturity
12.5cm TL

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - ? m , usually 0 - 20 m . Tropical; 39°N - 26°S, 91°E - 174°W West Pacific: South China Sea to the Mariana Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.45

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L2.97 (TL)
Max TL
30cm
Dorsal Spines
9
Dorsal Rays
33
Anal Spines
3
Anal Rays
28

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
39°N – 26°S
Described By
Temminck & Schlegel, 1843

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 12 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Japanese scad ↗
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