Enteromius anoplus

Martin, Melissa B., Chakona, Albert, Kadye, Wilbert T. & Scheepers, Martinus, 2025, Revalidation of Enteromius karkensis (Gilchrist and Thompson 1913) (Cypriniformes: Smiliogastrinae) from the southern temperate freshwater ecoregion, South Africa, Journal of Fish Biology 106 (3), pp. 741-759 : 748

3.6.1 | Enteromius anoplus

SAIAB 200353 , n = 10 juveniles, (29.2–38.1 mm SL), Laingsburg , about 1 km above the N1 bridge, Buffels, Gouritz, Western Cape, South Africa, (33.189, 20,858), collected on August 20, 2014 by Bills , R; Bills, V.

Enteromius cernuus Enteromius oraniensis Enteromius mandelai

Conspicuous Inconspicuous Conspicuous

Surpass middle of Reaches anterior eye margin; Reaches middle of eye; eye;> 1.8 mm not> 1.8 mm (0.92 mm) not> 1.8 mm

(2.1 mm) (1.66 mm)

Complete Incomplete Complete

31–33 (mode 33; 15 (neotype) 36 (holotype)

syntypes) 2–33 (mode 12; topotypes) 15–37 (mode 35;

28–33 pored scales topotypes)

(mode 31;

topotypes)

12 (lectotype) 16 (neotype) 16 (holotype)

10–12 (mode 12; 12–16 (mode 14; topotypes) 14–16 (mode 14; topotypes) topotypes)

Silvery, slightly Pale silver, small dot at mid Metallic silvery,

brownish above, base of caudal fin greenish or greyish bright yellow or above, yellow or golden tinge in golden tinge in males, males, pinkish violet more greyish in sheen in females females; black spot at base of caudal fin

Dark lateral stripe Brownish, relatively Dark lateral stripe not ending in small spot inconspicuous lateral stripe expanding at end,

at end of caudal ending in indistinct dark spot ending in indistinct peduncle; fins pale, at base of caudal fin spot without red patches

Endemic to Olifants Endemic to Orange River Widely distributed in River system, system, tributaries to Eastern Cape Province, mainstem sections mainstem sections and man- from Kowie to Buffalo of Olifants River and made impoundments river systems tributaries Boontjes,

Doorn, Troetroe rivers

Perennial streams Variety of habitats, Wide range of habitats, with oligotrophic tributaries to mainstem clear flowing mountain water, draining over sections of rivers, vegetated streams to mainstem Table Mountain areas, adaptable to habitats sections of rivers and sandstone with high silt loads, extreme man-made flow variations impoundments

Likely to spawn Spawning follows onset of Likely to breed around November– summer rainfall, locally, with following onset of December, based on adhesive eggs in flooded summer rains observations of marginal vegetation; early redfin minnow maturation, high reproductive effort, multiple clutches per year, protracted season