Ophthalmolycus andersoni
Ophthalmolycus andersoni Matallanas, 2009
First described in: Matallanas, J. (2009). Description of Ophthalmolycus andersoni sp. nov. (Pisces, Zoarcidae) from the Antarctic Ocean. Zootaxa, 2027: 55-62.
Descriptions from checklists and floras indexed by GBIF
description
Description. Body laterally compressed and relatively short; tail laterally compressed, especially posteriorly (Fig. 1). Head nearly triangular in cross section; eye ellipsoid, not entering dorsal profile of head. Scales small, sparse, present only on tail and un-paried fin bases. Gill slit extending ventrally well below lower edge of pectoral fin base (Fig. 1 c). Triangular opercular flap at upper end of gill slit. Pectoral-fin origin well below midbody, pectoral-fin base with its lower end on abdomen, pectoral-fin margin rounded; ventralmost 5 – 7 rays thickened, tips exserted (Fig. 1 c). Upper jaw protruding, end of maxilla extending to posterior margin of eye; upper jaw length apparently dimorphic, longer in the two males than in the female. Head wider in the adult male (holotype) than in paratypes (immature male and female). Mouth inferior; lower lip with a small lobe. Nasal tube long, unpigmented, overhanging upper lip. Oral valve not reaching anterior margin of vomer. Teeth in jaws, vomer and palate conical. Upper jaw with 2 or 3 rows anteriorly merging into single posterior row; lower jaw with 3 rows of teeth anteriorly and single row posteriorly. Vomerine teeth in a patch.
Description of Ophthalmolycus andersoni sp. nov. (Pisces, Zoarcidae) from the Antarctic Ocean
diagnosis
Diagnosis. A species of Ophthalmolycus as defined by Anderson (1992, 1994) with the following combination of characters: 6 branchiostegal rays; pectoral fin origin well below midbody, pectoral base extending ventrally to abdomen; lateral line double with ventral and medio-lateral branches; oral valve not reaching anterior edge of vomer; gill slit extending ventrally well below ventral end of pectoral fin base; vertebrae asymmetrical 22 + 70 – 74 = 92 – 96; dorsal fin origin associated with vertebrae 4 or 5 with no supraneurals; pectoral fin rays 16 or 17; postorbital pores two (positions one and four); 2 well developed pyloric caeca and 0 – 3 pseudobranch filaments.
Description of Ophthalmolycus andersoni sp. nov. (Pisces, Zoarcidae) from the Antarctic Ocean
etymology
Etymology. The new species is named after Dr. M. Eric Anderson, in honour of his many contributions to knowledge of zoarcids.
Description of Ophthalmolycus andersoni sp. nov. (Pisces, Zoarcidae) from the Antarctic Ocean
materials_examined
Holotype. UAB: B 03 BSZ 25, 263 mm SL male, Paradise Bay, Antarctic Peninsula, cruise BENTART- 03, R / V “ Hespérides ” stn 22 A, 64 º 50 ’ 37 ’’ S, 62 º 58 ’ 09 ’’ W, collected with an Agassiz trawl at 286 m depth, 24 February 2003. Paratypes. UAB: B 03 BSZ 9, 255 mm SL male, same collection data as holotype; and UAB: B 03 BSZ 99, 212 mm SL female, same collection data as holotype.
Description of Ophthalmolycus andersoni sp. nov. (Pisces, Zoarcidae) from the Antarctic Ocean
In the stacks
Searching the stacks…
Every page naming Ophthalmolycus andersoni in the Biodiversity Heritage Library →
From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 2380979.