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Redescription of the Indo-Pacific Scorpionfish Scorpaenopsis fowleri and Reallocation to the Genus Sebastapistes

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Title: Redescription of the Indo-Pacific Scorpionfish Scorpaenopsis fowleri and Reallocation to the Genus Sebastapistes
Authors: Randall, John E.
Poss, Stuart G.
Issue Date: Jan 2002
Publisher: University of Hawai'i Press
Citation: Randall JE, Poss SG. 2002. Redescription of the Indo-Pacific scorpionfish Scorpaenopsis fowleri and reallocation to the genus Sebastapistes. Pac Sci 56(1): 57-64.
Abstract: The wide-ranging Indo-Pacific scorpionfish Scorpaenodes fowleri
(Pietschmann), long placed in the genus Scorpaenopsis (largely because it lacks
palatine teeth), is reclassified in the genus Sebastapistes. It is distinct from the
species of Scorpaenopsis in several features: eye not extending above the dorsal
profile of the head, large pores of the cephalic lateralis system, nasal pore above
and adjacent to posterior nostril with a very small retrorse nasal spine (may be
absent) on its upper edge, low ridgelike spines dorsally on the head, preocular
spine usually embedded, sphenotic and postorbital spines absent or embedded;
posterior lacrimal spine projecting slightly anteriorly, and a single spine posteriorly
on the suborbital ridge with a pore-associated spine just below the ridge
under the posterior third of the eye. Also significant is its very small size, the
smallest of the Scorpaenidae (largest specimen, 37 mm SL; smallest mature
female, 18 mm SL). The loss of palatine teeth appears to have occurred
independently from the species of Scorpaenopsis. Sebastapistes fowleri is closest to
S. strongia, the type species of the genus. In addition to having palatine teeth, S.
strongia differs in the strongly retrorse posterior lacrimal spine and in having two
spines on the suborbital ridge. The limits of Sebastapistes need reevaluation.
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 56, Number 1, 2002

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