Overview

Comprehensive Description

Biology

Mouthbrooders (Ref. 240).
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Distribution

Southwestern Atlantic: Brazil.
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Southwest Atlantic: known only from southern Brazil.
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Physical Description

Morphology

Dorsal spines (total): 11; Dorsal soft rays (total): 16; Analspines: 3; Analsoft rays: 16
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Size

Max. size

11.4 cm SL (male/unsexed; (Ref. 26893))
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Diagnostic Description

Anterior nostril a short tube with simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with a dark spot encircled by broad white ring; adult males with inner lining of maxilla and adjacent membranes with two dark stripes (innermost stripe not well developed), no stripes in females; buccal pigmentation consisting of a dark blotch on either side of esophageal opening widely separated by pale median area that continues between upper pharyngeals; caudal vertebrae 19 (Ref. 26893).
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Ecology

Habitat

Environment

reef-associated; marine
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Life History and Behavior

Life Cycle

Employ mouthbrooding to care for their young (Ref. 240).
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Conservation

Threats

Not Evaluated
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Wikipedia

Bartail jawfish

The bartail jawfish (Opistognathus cuvierii) is a species of jawfish known only from reefs in the Atlantic Ocean off the coast of southern Brazil. This species can reach a length of 11.4 centimetres (4.5 in) SL.[1]

References[edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2014). "Opistognathus cuvierii" in FishBase. February 2014 version.
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