Chiloglanis camarabounyi Schmidt & Bart, 2017
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Family:  Mochokidae (Squeakers or upside-down catfishes), subfamily: Chiloglanidinae
Max. size:  4.59 cm SL (male/unsexed)
Environment:  demersal; freshwater,
Distribution:  Africa: Konkour√© River drainage in Guinea (Ref. 116018).
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 5-6; Anal spines: 0-0; Anal soft rays: 8-9. Diagnosis: Chiloglanis camarabounyi is distinguished from C. normani, C. waterloti, C. longibarbis, C. occidentalis, C. kabaensis, C. kolente, and C. nzerekore in possessing more mandibular teeth in the functional row, and readily distinguished from C. polyodon and C. lamottei in having fewer mandibular teeth in the functional row; it can be distinguished from Chiloglanis aff. micropogon in possessing moderately long mandibular barbels vs. reduced or absent mandibular barbels; it is distinguished from C. tweddlei and C. pezoldi in having shorter pectoral and dorsal spines; it is distinguished from C. loffabrevum in having a longer pectoral spine, a narrower mouth, 8.2-10.7% of standard length vs. 10.2-11.8%, a smaller primary premaxillary tooth patch, 12.7-17.7% of standard length vs. 16.9-20.2%, and a smaller orbit, 4.0-5.5% of standard length vs. 5.0-6.3%; it is distinguished from C. dialloi in having a deeper body at the anus, 14.8-18.2% of standard length vs. 12.0-14.5%, deeper body at dorsal-fin insertion, 16.3-22.5% of standard length vs. 15.3-17.7%, and a deeper caudal peduncle, 11.8-15.2% of standard length vs. 10.1-11.0% (Ref. 116018). Description: A moderate-sized Chiloglanis, 45.9 mm maximum standard length observed; body dorsally depressed anteriorly; laterally compressed posteriorly; pre-dorsal convex; sloping ventrally towards posterior nares; pre-orbital convex; post-dorsal body sloping ventrally towards caudal fin; pre-anal profile horizontal; post-anal profile concave (Ref. 116018). Small unculiferous tubercles present on body; concentrations higher near head; lateral line complete; arising at level of orbit and sloping ventrally to midlateral along the side of body towards caudal peduncle; urogenital papillae sexually dimorphic, elongated in males, reduced and separated from anus by shallow invagination in females (Ref. 116018). Head depressed; gill membranes broadly united; gill openings restricted; opening near pectoral-fin origin to level of orbit; occipital-nuchal shield covered and visible through skin; eyes moderate, located mid-head length, horizontal axis longest, without free margins; anterior and posterior nares equidistant; positioned mid-snout; nares with raised rims; posterior nares with elongate anterior flaps (Ref. 116018). Mouth inferior; upper and lower lips united to form oral disc; oral disc moderate in size, width 17.9-24.9% of standard length; slightly wider than long and covered in papillae (Ref. 116018). Barbels in three pairs; maxillary barbel originating from posterolateral region of disc; unbranched and moderate in length, 16.3-25.5% of head length; lateral and medial mandibular barbels moderate; incorporated into lower lip and positioned on both sides of midline cleft on posterior margin of oral disc; lateral barbels, 7.1-12.3% of head length, usually twice the length of medial barbels (Ref. 116018). Primary premaxillary teeth "S"-shaped with exposed brown tips; 60-112 teeth in 4-5 scattered rows on two ovoid tooth pads; secindary premaxillary teeth scattered on posterior surface of premaxillae; tertiary teeth small and needle-like; near midline of dorsal edge of toothplate; mandibular teeth in 1-2 rows; "S"-shaped and bunched near midline; functional, anterior, row usually contains 12 brown-tipped teeth (Ref. 116018). Dorsal-fin origin just posterior to anterior third of body; dorsal fin with small spinelet, spine, and 5-6 rays; dorsal spine relatively short, 12.2-16.8% of standard length; anterior margin of spine smooth with two small notches distally; posterior margin marked with small notches at mid-length; adipose fin moderate in length, 12.1-15.9% of standard length; margin convex with small notch posteriorly; caudal fin forked with rounded lobes; lower lobe longer than upper lobe; count i,7,8,i; anal-fin origin posterior to origin of adipose fin; extending beyond adipose-fin terminus; margin convex; count iii,5-6; pelvic-fin origin at vertical between dorsal and adipose fins; margins convex and reaching beyond anal-fin origin; count i,6; pectoral fin with smooth spine; relatively short, 15.4-18.8% of standard length; count I,7-8 (Ref. 116018). Postcleithral process sexually dimorphic, males possessing an elongate spatulate process, females possess a shorter, pointed process; body size sexually dimorphic, females attaining larger body size (Ref. 116018). Colouration: Live colouration: body with yellowish-orange ground colour overlain with dark brown melanophores; fins yellow with dark brown margins (Ref. 116018). Colouration of preserved specimens: in dorsal view body dark brown with mottled areas of medium brown; lighter areas at the origin of dorsal fin, origin and terminus of adipose fin, and pre-orbital; in lateral view body a yellow-buff with overlying medium and dark browns; dark area more prevalent dorsal to midline, extending ventrally at origin of pelvic and anal fin; dark brown melanophores scattered across body; more readily visible ventral to midline; ventral surface yellow-buff; few melanophores scattered near pelvic and anal fins; oral disc and barbels cream (Ref. 116018). Pectoral and dorsal spines and rays cream-buff to translucent; dorsal base of pectoral fin marked by triangular area of dark brown melanophores; dorsal fin with area of melanophores near base and mid-length; anal fin with melanophores at base and mid-length; pelvic fin cream-buff, few melanophores; adipose fin cream to translucent; dark brown markings at origin and near base mid-length; caudal fin cream to translucent; dark brown areas near base, mid-length, and the distal end on upper and lower lobe (Ref. 116018).
Biology:  This species is found in large numbers in a medium stream with large areas of exposed bedrock (Ref. 116018).
IUCN Red List Status: Vulnerable (VU); Date assessed: 22 October 2019 (B1ab(iii)) Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Boden, Gert - 05.10.17
Modified by: Reyes, Rodolfo B. - 23.09.21

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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