Inhabits eroded limestone slopes doted with small brain corals, sea-fans, whips, sea urchins and the like .
Dorsal soft rays (total): 11; Anal spines: 2. Species distinguished by: cirri on eye simple, arising from 2 separate bases; segmented dorsal-fin rays 11; total dorsal-fin elements 29 or 30; pectoral-fin rays usually 13; tip of lower jaw without fleshy projection; top of head never spiny; one row of teeth on each palatine bone. Common amongst Chaenopsids: small elongate fishes; largest species about 12 cm SL, most under 5 cm SL. Head usually with cirri or fleshy flaps on anterior nostrils, eyes, and sometimes laterally on nape; gill membranes continuous with each other across posteroventral surface of head. Each jaw with canine-like or incisor-like teeth anteriorly; teeth usually also present on vomer and often on palatines (roof of mouth). Dorsal-fin spines flexible, usually outnumbering the segmented soft rays, spinous and segmented-rayed portions forming a single, continuous fin; 2 flexible spines in anal fin; pelvic fins inserted anterior to position of pectoral fins, with 1 spine not visible externally and only 2 or 3 segmented (soft) rays; all fin rays, including caudal-fin rays, unbranched (simple). Lateral line absent. Scales absent.: elongated.
Behavioural data for Twinhorn blenny is currently being reviewed.
Marine; reef-associated. Tropical
| Language | Common Names |
|---|---|
| 🇬🇧English | Twinhorn blenny |
| 🇵🇹Portuguese | Tubícula-celeste |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Chaenopsis cardonae | Evermann & Marsh | 1899 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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