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🌊 Marine 🌡️ Temperate

Wood's siphonfish

Siphamia cephalotes Castelnau, 1875
Max Length
5 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
0–7 m
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
Depth Zone

📖 Overview

Benthic species which occurs over soft bottom in coastal embayments and in the lower reaches of estuaries . It is found usually in schools near kelp or seagrass beds of Zostera or Posidonia at depths of 1-10 m .

Scientific Name
Siphamia cephalotes
Authority
Castelnau, 1875
Habitat
Marine
Climate
Temperate
Body Shape
Short and / or deep
Max Length
5 cm
Depth Range
0–7 m
Trophic Level
3.4
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 8 - 9. This species is distinguished by the following characters: D1 VI, D2 I,8 (rarely 7 or 9 soft rays); A II,8-9; pectoral fin rays 12-14, unbranched and compressed distally; tubed lateral-line scales 22-23; median predorsal scales 4-5; total gill rakers 4-6 + 14-16, developed gill rakers 1-3 + 13-16 = 15-18; gill rakers on ceratobranchial 9-10; body relatively slender, depth 3.2-4.8 in SL, and body width 1.6-1.8 in the depth; eye diameter 3.2-3.7 in HL; first dorsal spine 1.1-1.3 in second spine; second dorsal spine 2.6-3.6, spine of second dorsal fin 5.1-6.7, and second anal spine 6.0-7.4, all in head length (HL); pectoral-fin length 5.8-6.7 and pelvic-fin length 5.7-6.1 in SL; caudal-peduncle length 1.05-1.4 in distance between pelvic spine insertion and anal-fin origin; preopercular edge and ridge smooth, with the ventral edge weakly ossified and usually slightly crenulate; palatines with 1-3 series of small teeth; first infraorbital pore a complex of about 7 small pores; scales large, mostly ctenoid; tubed lateral-line scales with vertical series of papillae; the tip of light organ on each side of tongue bound by membrane .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Wood's siphonfish is currently being reviewed.

🦐 Diet

Diet information for Wood's siphonfish is currently being compiled.

🥚 Reproduction

👄 Mouth Brooder

Mouthbrooders . Distinct pairing during courtship and spawning . Adults in South Australian waters have been observed brooding eggs in January .

🌍 Habitat & Distribution

Marine; brackish; benthopelagic; depth range 0 - 7 m . Temperate; 25°S - 45°S endemic to southern Australia, from Shark Bay, Western Australia to Byron Bay, New South Wales.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish
Trophic Level
3.4±0.5
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L3.06 (TL)
Max TL
5cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
2
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Temperate
Described By
Castelnau, 1875

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