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🌊 Marine 🌡️ Tropical

Mud sillago

Sillago lutea McKay, 1985
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–60 m
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
15 cm
Depth Zone
demersal

📖 Overview

Commonly associated with Penaeus merguiensis de Man in northern Australia, and occurs most abundantly on muddy or very silty substrates. Oviparous . Sexually mature at 10 cm SL (ripe females 10.4-12.0 cm). This species could form the basis of a small by-catch fishery, to be exported ungutted .

Scientific Name
Sillago lutea
Authority
McKay, 1985
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
Max Length
16 cm
Depth Range
0–60 m
Latitude
23°S – 20°N
Trophic Level
3.2
Resilience
High
Vulnerability
18.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 20 - 22; Anal spines: 2; Anal soft rays: 21 - 23; Vertebrae: 33 - 35. Swim bladder with a median anterior extension and with or without rudimentary anteriorly directed anterolateral projections; posterior extension single. Body is light sandy brown above, pale brown to whitish below, with an ill defined silvery mid-lateral band; margins of scales may be slightly darker giving a vague meshwork pattern to the body above the lateral line; fins hyaline, the first dorsal-fin membrane tipped with a fine dusting of black; no dark spot at the base of the pectoral fin.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Mud sillago is currently being reviewed.

🦐 Diet

Diet information for Mud sillago is currently being compiled.

🥚 Reproduction

Size at Maturity
11.2cm TL

🌍 Habitat & Distribution

Marine; demersal; non-migratory; depth range 0 - 60 m , usually 0 - 60 m . Tropical; 20°N - 23°S, 70°E - 143°E West Pacific: India and Sri Lanka; northern Australia from Exmouth Gulf, Western Australia to the Arafura Sea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.06 (TL)
Max TL
16cm
Dorsal Spines
12
Dorsal Rays
21
Anal Spines
2
Anal Rays
22
Vertebrae
34

🌡️ 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
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
20°N – 23°S
Described By
McKay, 1985

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