Thetis fish (Neosebastes thetidis)

Scientific name: Neosebastes thetidis Waite, 1899

Thetis fish (Neosebastes thetidis)

The Thetis fish (Neosebastes thetidis) is a marine fish of the family Neosebastidae. Native range: Eastern Indian Ocean to Southwest Pacific, off southeastern and southern and southwestern coasts of Australia.

Biology

Dorsal spines (total): 8; Dorsal soft rays (total): 8; Anal spines: 3; Anal soft rays: 5. Diagnosis: Dorsal rays XIII, 8 (7 or 9 in 3 of 48 specimens), fourth spine longest. Anal rays III, 5 (6 in 1 of 48 specimens). Pectoral rays 18-21 (mode 20), distal margin nearly rounded. Pored lateral-line scales 31-38 (35); longitudinal scale series 50-59 (54); scale rows between base of last dorsal spine and lateral line 6 or 7 (7). Well-developed gill rakers on upper limb 1, lower limb 4-6 (5), total 5-7 (6); rudimentary gill rakers on upper limb 3-5 (4), lower limb 3-8 (5). Swimbladder bilobed anteriorly (length 19% of SL, width 28% of SL, bilobed portion 67% of total swimbladder length). Dorsal profile of snout steep, forming angle of about 60-70? to horizontal axis of head and body. Nasal spine simple or with 2 points, directed upward or slightly forward, length of former approximately equal to or greater than anterior nostril diameter. Posterior margin of premaxilla

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Neosebastes thetidis
Family
Neosebastidae (Gurnard scorpionfishes)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
35.0
Depth range
45–288 m (148–945 ft)
Environment
Marine; demersal; depth range 45 - 288 m
Climate
Temperate
Distribution
Eastern Indian Ocean to Southwest Pacific: off southeastern and southern and southwestern coasts of Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Venomous

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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