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Dalophis boulengeri (Blache, Cadenat & Stauch 1970)

Diagnostic Description

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Caudal ends in a hardened point. Ogivale head, small eyes near buccal joint at end of snout. Buccal slit short, snout prominent covered with villi. Gill slits lateroventral, crescentiform. Thin dorsal and anal fins, in groove; dorsal origin behind gill slits (predorsal length 11.5-16.9% TL); anal origin immediately behind anus. Pores of lateral system and cephalic slightly rimmed. One median pore on the supraorbital joint; 57-64 pores on lateral line before the anus. Vertebrae: 149-162. Dark brown back and dorsal base, whitish belly.
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Morphology

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Dorsal spines (total): 0; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 0
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Biology

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Mainly nocturnal. During the day, this fish lies buried in the sediment with the head out.
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Recorder
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Dalophis boulengeri

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Dalophis boulengeri is an eel in the family Ophichthidae (worm/snake eels).[3] It was described by Jacques Blache, Jean Cadenat and Alfred Stauch in 1970.[4] It is a tropical, marine eel which is known from the eastern central and southeastern Atlantic Ocean, including Angola, Benin, the Democratic Republic of the Congo, Cameroon, Côte d'Ivoire, Equatorial Guinea, Guinea, Guinea-Bissau, Ghana, Gabon, Gambia, Liberia, Mauritania, Nigeria, Sierra Leone, Senegal, and Togo.[3][1] It is active at night, and inhabits burrows during the daytime, leaving its head exposed. Males can reach a maximum total length of 57.4 centimetres, but more commonly reach a TL of 47.5 cm.[3]

Due to its wide distribution and lack of known threats, the IUCN redlist currently lists Dalophis boulengeri as Least Concern. Due to a lack of information on its distribution in Mauritania, it is listed as Data Deficient for Northern Africa.[1]

References

  1. ^ a b c Diouf, K.; Azeroual, A.; Lalèyè, P.; Moelants, T. (2020). "Dalophis boulengeri". IUCN Red List of Threatened Species. 2020: e.T181550A135016321. doi:10.2305/IUCN.UK.2020-2.RLTS.T181550A135016321.en. Retrieved 19 November 2021.
  2. ^ Synonyms of Dalophis boulengeri at www.fishbase.org.
  3. ^ a b c Dalophis boulengeri at www.fishbase.org.
  4. ^ Blache, J., J. Cadenat and A. Stauch, 1970 Clés de détermination des poissons de mer signalés dans l'Atlantique oriental (entre le 20e parallele N. et le 15e parallele S.). Fauna Tropical XVIII. Office de la recherche scientifique et technique Outre-Mer, Paris v. 18: 1-479.
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Dalophis boulengeri: Brief Summary

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Dalophis boulengeri is an eel in the family Ophichthidae (worm/snake eels). It was described by Jacques Blache, Jean Cadenat and Alfred Stauch in 1970. It is a tropical, marine eel which is known from the eastern central and southeastern Atlantic Ocean, including Angola, Benin, the Democratic Republic of the Congo, Cameroon, Côte d'Ivoire, Equatorial Guinea, Guinea, Guinea-Bissau, Ghana, Gabon, Gambia, Liberia, Mauritania, Nigeria, Sierra Leone, Senegal, and Togo. It is active at night, and inhabits burrows during the daytime, leaving its head exposed. Males can reach a maximum total length of 57.4 centimetres, but more commonly reach a TL of 47.5 cm.

Due to its wide distribution and lack of known threats, the IUCN redlist currently lists Dalophis boulengeri as Least Concern. Due to a lack of information on its distribution in Mauritania, it is listed as Data Deficient for Northern Africa.

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