Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow The genus Chaetostoma

Jump to next section Summary of Chaetostoma
PronouncedKATE oh STOW mah
EtymologyGreek, chaite = hair + Greek, stoma = mouth.
IdentificationThe genus Chaetostoma is not straightforward 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.
FurnitureWell rounded stones stacked to replicate a river bottom and provide caves.
SexingThe males have however a 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 by fast water current.
BreedingSpawns in shallow, fast flowing water on the underneath of a flat object. Male, upside down, guards an adhesive clutch of eggs by, more or less, covering it with his body.
SizeSmallest 49mm, largest 300mm, average 130mm, most commonly 120mm. All SL.
SpeciesThere are 78 "species" in the database
Keepers16 species (20%) are being kept by registered keepers
New spp. / time
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Jump to next section Most Kept Species
1. Chaetostoma formosae (39.33%)
2. Chaetostoma sp. (L445) (38.2%)
3. Chaetostoma anale (4.49%)
4. Chaetostoma dorsale (4.12%)
5. Chaetostoma sp. `RIO ZUATA(ORINOCO)` (3.37%)
6. Chaetostoma sp. (L402) (3%)
7. Chaetostoma sp. (L455) (1.87%)
8. Chaetostoma lineopunctatum (1.87%)
9. Chaetostoma sp. (L456) (0.75%)
10. Chaetostoma thomsoni (0.75%)
11. Chaetostoma sp. (L457) (0.37%)

Jump to distribution.

Jump to next section Distribution of selected Chaetostoma species