IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: silverside (English), tinícalo (Espanol)
Atherinomorus stipes (Muller & Troschel in Schomburk, 1848)

Hardhead silverside

Eye large twice snout length);  head wide (63% of head length) and relatively deep, with bony knob on top, upper profile straight; mouth oblique, top jaw not extendible; top of upper jaw straight, extending back beyond front edge of eye; inner rear surface of lower jaw only slightly raised; teeth small, simple, in narrow bands on jaws, lower lip with small, outward pointing teeth; projection at rear of lower jaw small; 1st  dorsal fin IV-VI spines, entirely before anal origin; 2nd  dorsal origin after anal origin, I, 8-10; anal I, 11-13, anus well before anal fin; scales with ruffled rear margins; 37-42 scales on lateral line; sheath of scales on bases of dorsal, anal and pectoral fins.

Color: Greenish on back with silver stripe (~ width of pupil) overlying a black one along mid-flank, stripe narrow at front (width < ½ pectoral fin base); two series of black dots along sides of tail; tail tips often black in large fish.

        Size: 10 cm.

Habitat: shallow waters over reefs and nearby soft bottoms.

Depth: 0-10 m?

        A West Atlantic species introduced to Colombia.


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© 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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