The genus Chaetostoma is not straight-forward to identify, but as a general rule, the species has spines behind the gill-cover (interopercular odontodes), no plates on the abdomen, and aside from C. platyrhynchus also lack plates on the snout edge. Different from Ancistrus by not having fleshy tentacles on the snout. This particular species has spots only on the head. All fins are clear and each body armour plate is lined in black. The basic colouration is pale olive green. Aqualog shows this fish as L146/L146a , but the real L146 is a rather unusually shaped but plainly coloured ancistrine loricariid also from Colombia.
Variously and incorrectly labeled as C. thomsoni and others.
The males have however a somewhat larger and broader head, slimmer ventral sides and disproportionately large pelvic fins. Perhaps the over-sized pelvic fins play a large role in the fertilization of the eggs. By inverting these over the clutch of eggs, they prevent the sperm cells being carried away too fast in the current.
Omnivore. Will eat algae and small live or frozen food. Some individuals can be weaned onto pellet food although this usually takes some effort and trial and error on the part of the aquarist.
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/1.jpg "Chaetostoma sp. (1)(1) - Click to enlarge")
/2.jpg "Chaetostoma sp. (1)(2) Close-up of head - Click to enlarge")
/3.jpg "Chaetostoma sp. (1)(3) - Click to enlarge")
/4.jpg "Chaetostoma sp. (1)(4) Female - ventral view - Click to enlarge")
/5.jpg "Chaetostoma sp. (1)(5) Female - dorsal view - Click to enlarge")
/6.jpg "Chaetostoma sp. (1)(6) Male - ventral view - Click to enlarge")
/7.jpg "Chaetostoma sp. (1)(7) Male - close-up of ventral view - Click to enlarge")
/8.jpg "Chaetostoma sp. (1)(8) Male - dorsal view - Click to enlarge")
/9.jpg "Chaetostoma sp. (1)(9) - Click to enlarge")
/10.jpg "Chaetostoma sp. (1)(10) - Click to enlarge")
/11.jpg "Chaetostoma sp. (1)(11) Ventral view of upper body - Click to enlarge")
/12.jpg "Chaetostoma sp. (1)(12) Close-up of mouth - Click to enlarge")
/13.jpg "Chaetostoma sp. (1)(13) - Click to enlarge")
/14.jpg "Chaetostoma sp. (1)(14) - Click to enlarge")
/15.jpg "Chaetostoma sp. (1)(15) Eggs - Click to enlarge")
/16.jpg "Chaetostoma sp. (1)(16) Fry - Click to enlarge")
/17.jpg "Chaetostoma sp. (1)(17) Habitat : Rio Tulumayo - Click to enlarge")
/18.jpg "Chaetostoma sp. (1)(18) Habitat : Rio Tulumayo river bed - Click to enlarge")
/19.jpg "Chaetostoma sp. (1)(19) - Click to enlarge")
/20.jpg "Chaetostoma sp. (1)(20) - Click to enlarge")
/21.jpg "Chaetostoma sp. (1)(21) - Click to enlarge")
/22.jpg "Chaetostoma sp. (1)(22) - Click to enlarge")
/23.jpg "Chaetostoma sp. (1)(23) - Click to enlarge")
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