Sebastapistes monospina
Sebastapistes monospina Cabebe‑Barnuevo & Motumura, 2025
Tropical single-spined scorpionfish

Family:  Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Scorpaeninae
Max. size: 
Environment:  reef-associated; marine; depth range 1 - 27 m
Distribution:  Eastern and Southwest Pacific: French Polynesia, Pitcairn Is., and Australia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 3-3; Anal soft rays: 5-5. This species is distinguished by the following set of characters: 15 or 16 (mode 16) pectoral-fin rays; 22 or 23 (23) pored lateral-line scales; 44-46 (45) scale rows in longitudinal series; 5 or 6 (5) scale rows above lateral line; 10 or 11 (11) scale rows below lateral line; 5 or 6 (6) scale rows between sixth dorsal fin spine base and lateral line, 5 or 6 (5) scale rows between last dorsal-fin spine base and lateral line; 4 or 5 (4) predorsal scale rows; 14-16 (14) gill rakers; anterior and posterior lacrimal spines simple, no accessory spines; lateral lacrimal ridge and spine absent; first and second suborbital ridges fused, forming a single ridge terminating in a single suborbital spine; presence of palatine teeth; upper-jaw teeth villiform, with canine-like teeth anteriorly; lower-jaw teeth villiform, with canine-like teeth (less pronounced in smaller specimens) well distributed and extending to posterior region; body scales predominantly cycloid (rarely with weak ctenii; absence of scales on space between upper and lower opercular spines; poorly developed interorbital ridges, a shallow channel between ridges; absence of coronal spines (Ref. 133096).
Biology:  This species dwells in shallow coral and rocky reef environments, commonly found in subtropical and tropical island ecosystems (Ref. 133096).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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