Apterichtus caecus (Linnaeus, 1758)
European finless eel
Apterichtus caecus
photo by Suárez, C.

 Family:  Ophichthidae (Snake eels), subfamily: Ophichthinae
 Max. size:  60 cm TL (male/unsexed)
 Environment:  demersal; depth range 0 - 85 m
 Distribution:  Eastern Atlantic: Western and eastern Mediterranean, eastern Atlantic south to Azores, Madeira, and the Canary islands.
 Diagnosis:  Vertebrae: 132-139. This species is distinguished by the following characters: tail 1.6-1.7, head 12-15, and body depth 56-83 in total length; preopercular pores 4 and there are 5 pores in supratemporal canal; teeth conical and uniserial on jaws, becoming biserial on vomer of large specimens, vomerine teeth 8-14; when fresh body ochre in color with numerous small dark brown spots, those spots forming a continuous mid-dorsal band, yellowish on ventral surface; the head with dark brown spots over a pale background, a prominent horizontal white patch beneath and behind the orbit; MVF 52-134, total vertebrae 132-139 (n=6) (Ref. 101270).
 Biology:  Burrows in sand or mud on the continental shelf (Ref. 4455); usually in fine sand (Ref. 101270).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Binohlan, Crispina B. - 25.10.90
 Modified by: Capuli, Estelita Emily - 11.04.17
 Checked by: Luna, Susan M. - 08.03.94

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