Thorogobius laureatus Sauberer & Iwamoto & Ahnelt 2018, sp. nov.

• Published in: The Canadian field-naturalist
• Main Authors: Sauberer, Michael, Iwamoto, Tomio, Ahnelt, Harald
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Actinopterygii; Perciformes; Gobiidae; Thorogobius; Thorogobius laureatus; Fridtjof Nansen
• Online Access: https://doi.org/10.5281/zenodo.5996520

Thorogobius laureatus sp. nov. (Figures 1, 4–7; Tables 1–3) Holotype. CAS 243854, male, standard length+caudal fin length 65.1+ 23.1 mm, Angola, sw. of Congo R. mouth, (6°27′S, 11°55′E) from depths of 109– 108 m, R/V Dr. Fridtjof Nansen (DFN) stn. 3783, 22 April 2005. Paratypes. (10 specimens). Angola: CAS 225191, 1 male 74.0+ 24.2 mm SL+CL, off Cape Santa Maria (11°46.28′S, 13°29.29′E), 165– 164 m, DFN stn. 43, 4 March 2007; CAS 244058, 1 female 74.9+ 21.5 mm SL+CL, same data as for holotype; ZSM 32517, 1 female 80.2+ 23.9 mm SL+CL, off Sumbe (11°13′S, 13°36′E), 147– 146 m, DFN stn. 3044, 8 March 2003; ZSM 35530, 1 female 78.0+ 21.8 mm SL+CL, same data as for ZSM 32517. São Tomé and Príncipe: CAS 243850, 2 females 58.1+19.3 & 58.5+ 18.8 mm SL+CL, off São Tomé Is. (0°08.7′N, 6°41.7′E), 65– 57 m, DFN stn. 30, 18 May 2010; CAS 243851, 1 male 60.8+ 19.6 mm SL+CL, off São Tomé Is. (0°09.9′N, 6°42.6′E), 65– 64 m, DFN stn. 34, 18 May 2010; CAS 243852, 1 male 58.3+d mm SL+CL, off São Tomé Is. (0°08.84′N, 6°41.8′E), 57–65 m, DFN stn. 40, 19 May 2010; CAS 243853, 1 female 58.8+ 18.4 mm SL+CL, off São Tomé Is. (0°15.8′N, 6°47.1′E), 71– 60 m, DFN stn. 35, 19 May 2010; NMW 99080, 1 male 59.1+ 20.9 mm SL+CL, same data as for CAS 243850 (Fig. 6). Non-type specimens. (4 specimens). Excluded from type material because of damage and/or juvenile stage. CAS 244223, 4 specimens of undetermined sex (35.7–46.9 mm SL), same data as for CAS 243850. Diagnosis. Thorogobius laureatus sp. nov. is distinguished from its congeners in the combination of following characters: Fins: first dorsal fin with six spiny rays, second and third distinctly elongated; pectoral fin ray count 19–22; pelvic disc complete and short with well-developed anterior membrane (frenum), with pointed lateral lobes. Scales: scales on nape and predorsal area in lateral band; no scales on opercle; scales in longitudinal series 24–27. Pattern of free neuromasts (sensory papillae): supratemporal rows tr and trp developed, extending transversally between pores H and K ...