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

Jump to next section Cat-eLog Data Sheet
Scientific NameChaetostoma formosae  Ballen, 2011
Common Name(s)L187B, Blonde Rubbernose Pleco
L444, Blonde Bulldog Pleco, Blonde Rubber Pleco, Striped Bulldog Pleco, Striped Rubber Pleco, Striped Rubbernose Pleco
Type LocalityColombia: Departamento de Boyacá, San Luis de Gaceno,caño Chuy affluent of río Upía, Boyacá – Casanareborder, upper río Meta basin, Orinoco drainage
PronunciationKATE oh STOW mah
EtymologyGreek, chaite = hair + Greek, stoma = mouth. This species is named formosae, an adjective in genitive case derived from the latin formosa. The name honours my sister, Laura María Ballen, in recognition of her unconditional love and support to me.
Jump to next section Species Information
Size 103mm or 4.1" SL. Find near, nearer or same sized spp.
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.

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 and L187b. The real L146 (introduced in DATZ) is a rather unusually shaped but plainly coloured ancistrine loricariid also from Colombia. L187b is an Aqualog invention and only used here for reference/link back to the old Aqualog literature.
Variously and incorrectly labelled as C. thomsoni and others.
Some sources consider L444 the same as C. tachiraense. This may stem from a confusion about the Rio Tachira in the Rio Meta drainage, and the namesake river in the Maracaibo basin.
SexingThe 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.
Jump to next section Habitat Information
DistributionCurrently known from western piedmont tributaries of the upper río Meta and Guaviare basins, in departments of Meta and Casanare, Eastern Colombia, Orinoco drainage.
Orinoco, Middle Orinoco, Meta, Upper Meta, Upía (click on these areas to find other species found there)
Orinoco, Upper Orinoco, Guaviare, Ariari, Güejar (click on these areas to find other species found there)
Orinoco, Middle Orinoco, Meta, Upper Meta, Cusiana (click on these areas to find other species found there)
Show it on a map (Click the map-icon to show/hide map of species distribution)
pH6.8 - 7.8
Temperature20.0-23.0°C or 68-73.4°F (Show others within this range)
Other ParametersHas more stringent demands on water quality than many plecos and requires highly oxygenated water. Medium hard water is also beneficial.
Jump to next section Husbandry Information
FeedingOmnivore. 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.
FurnitureWorn smooth rounded or slightly flat fist sized rocks on a fine sand substrate.
CompatibilityA peaceful fish which can sometimes be a little territorial with its own species.
BreedingSee Shane's World Article
Jump to next section Further Information
ReferencesPap. Avulsos Zool. (São Paulo) vol.51 no.26 São Paulo 2011
Registered Keepers(1) xingumike, (2) walkinjay81, (3) Silurus, (4) amergim, (5) Sandtiger, (6) VirgoWolf, (7) FishGeek, (8) Matien (k: 3), (9) ani-mal-lvr, (10) Deb (k: 3), who also notes: "Will fight with C. dorsale.", (11) bluenewt, (12) nuth88, (13) Walter, (14) johnny1073, (15) NHL, (16) Martin S, who also notes: "Very skittish when approaching the tank, but is very quick to attach itself to tablet/pellet food and/or vegetables placed in the tank.", (17) Joetee, (18) fivespeed302, (19) Ill (k: 2), (20) ChileRelleno, (21) SoCalDiscus, (22) AU Chief (p: 2), (23) tash, (24) Crel (k: 2), (25) fleahound (k: 4), (26) JimHitchiner, (27) ali12345, (28) pmbooper, who also notes: "4 inch rubbernose in 40 gal.", (29) vman, (30) jha61, (31) andywoolloo (k: 2), (32) Camaroahopp, (33) Lakatu, (34) andy75, (35) storch31, (36) ronalddevries, (37) abaigael04, (38) ayrtoninst, (39) Timberwolf (k: 2), (40) marangmic, (41) hoody47, (42) jefflamb, (43) NC24, (44) TerryCherry (k: 2), (45) bongthecgb, (46) mike h, (47) snakelover, (48) ChanggyChinggy, (49) jimlaroche83 (p: 2, k: 4), (50) Quo, (51) Ecrevince, (52) Mata Negra (k: 2), (53) tropical (p: 2), (54) Terrycherry, (55) dolgolev (p: 2, k: 2), (56) xakkan, (57) flipperfeet, (58) tomr (k: 3), (59) chriscarnivorous, (60) bslindgren (p: 2, k: 3), who also notes: "This, like my other rubber noses, is an absolutely delightful fish. It is out much of the time and is quite attractive. Extremely good at cleaning algae. A little bit territorial, but mainly the other Chaetostoma.", "I had two of these and they were thriving in my loach tank, but one died at a recent tank cleaning. Delightful fish, out almost constantly, excellent at cleaning glass. Favourite "pleco" bar none.", (61) donpetty (k: 4), (62) victoriaz24, (63) adcc (k: 3), (64) FerocactusLatispinus, who also notes: "R.I.P. Michelin. Died from bloat, but none of the others got sick... Was extremely territorial in-store, but not at all at home.", (65) Syno12, (66) Kiara1125, (67) halodude423, (68) shoegazer (k: 2), (69) jonhybravo2, who also notes: "For some reason this one pleco has been the bain of my tanks. I have lost 6 of these and for no good reason. I have one now for about a month and he is just a baby but has been pretty hardy and is in a newer very clean tank. Hopefully this will allow him to adapt well and flourish. So cool looking with the huge mouth and stripes.", (70) jodilynn, who also notes: "Sadly, never really appeared to eat, tried everything, sweet potatoes, peas, zucchini, every algae pellet and gel, removed the other plecos so it had no competition, very sad to lose it, will try again, hopefully with a more robust specimen", (71) sabbath (k: 6), (72) Mikey1973, (73) FishyMama, (74) neil187barton, (75) citizencurt, (76) oetheous, (77) LostYeti (k: 4), (78) wax32, who also notes: "Died after less than 24 hours in the tank.", (79) Tamcon83 (k: 4), (80) MrsJP, (81) shad0wfish13, who also notes: "I purchased this little guy under the advertised name "rubber lip pleco," but I'm almost positive after looking at pictures that he was indeed C. formosae (will upload pictures soon). Unfortunately, he just would not thrive despite good aeration and indifferent tank mates (small danio school of 6). Despite my best efforts, I came home to this little guy being dead after weeks of anticipating such an event.", (82) dmcat, (83) dav, (84) funkyt (p: 3), (85) Brett1998, (86) Johnny579, (87) Brucifer, (88) LasagnaPleco, (89) indeliKate (p: 2), (90) TheDoctor, (91) FreshwaterQWERTY, (92) reverendturtle (k: 3), (93) VickyEll7, (94) NCE12940 (k: 2), (95) Dice1790, (96) francoisMtl (k: 6), (97) Jonboy, (98) Wyomingite, (99) N0body Of The Goat, (100) Beckie, (101) Phreeflow, (102) lindfieldroy (p: 2), (103) fishiephil.

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Breeding Reports(1) lindfieldroy (b: 13).
Articles
Article - Shane's World Reproduction A Chance Spawning of Chaetostoma sp. (L444)
Article - CotM 2012 February
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Last Update2013 Jul 15 11:55 (species record created: 2001 May 05 00:00)