IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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  Common names: pike-blenny (English), trambollín-lucio (Espanol)
Chaenopsis deltarrhis Böhlke, 1957

Delta pike-blenny

Body very elongate; head long; no cirri on head; snout short and wide; large fish with a notch separating head and flattened nape; long mouth, usually reaching far behind eye, tip of lower jaw projecting; tongue short; no teeth at front of roof of mouth; dorsal fin XVIII-XX, 28-30, front half of fin very tall and sail-like in adult males; anal rays II, 32-36; pectoral rays 14; tail fin rounded, joined to dorsal and anal fins.

Light green or olive, white below, often with greenish midlateral stripe and/or with series of 8-10 dark bars; female with a black ocellated spot behind 4th dorsal spine near outer edge of fin; male  without spot or ocellus on front of dorsal fin.

Size: attains 7.5 cm.

Inhabits worm tubes on sand-rubble bottoms.

Depth: 5-30 m.

Costa Rica to Colombia.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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