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Down arrow Cat-eLog Data Sheet
Scientific Name Peckoltia cavatica  Armbruster & Werneke, 2005
Common Name Dusky Worm Line Peckoltia
Type Locality Rupununi River, 3.7 kilometers south-southeast. of Massara, 03.86228°N, 59.28439°W, Rupununi (Region 9), Guyana.
Pronunciation peck OLE tea ah - cah vat ick ahh
Etymology Peckoltia: named after Gustavo Peckolt, member of the Natural History Commission of Rondon. From the Latin cavaticus meaning born or living in caves. In reference to the fact that, in nature, this species is found in holes in lateritic rocks, and the fact that it is likely that such holes are where this species breeds.
Down arrow Species Information
Size 72mm or 2.8" SL. Find near, nearer or same sized spp.
Identification From Armbruster: Peckoltia braueri can be separated from P. cavatica by having the dorsal saddles patches better developed (vs. barely visible), by having the head plates and bones not completely outlined in black and with lines intense (vs. having all of the head plates and bones completely outlined in black and with the lines lighter), by having black vermiculations on the pterotic-supracleithrum (vs. no vermiculations), by having at least one, broken band in the caudal fin (vs. no bands in the caudal fin), and by having the marginal orange band of the dorsal and caudal fins not as thick or as intense as in P. cavatica.
Sexing Males develop small teeth-like odontodes which adorn the leading pectoral fin rays and the back half of the fishes body. Females remain unadourned and have a wider girth across the body most evident when the area just behind the pectoral fins is viewed from above.
Down arrow Habitat Information
Distribution South America: Rupununi River in Guyana.
Guyana Waters, Coastal Rivers of Guyanas, Essequibo, Rupununi (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.5 - 7.2
Temperature 23.0-27.0°C or 73.4-80.6°F (Show species within this range)
Down arrow Husbandry Information
Feeding Omnivorous with a tendancy towards meaty foods. Not an effective algae eater. Well fed individuals will not damage most plants.
Furniture Rock piles and wood tangles. Plants are not vital.
Compatibility Peaceful if a little territorial. As a rough guide give each fish a 12 inch square area well broken up with decorations.
Suggested Tankmates A medium sized pleco that can be combined with a very wide array of tankmates due to its unfussy nature. Perfectly safe with small fishes and shrimp or robust enough to withstand the attention of all but the largest cichlids.
Breeding Cave spawner.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Zootaxa No. 882, pp 8, Figs. 2, 4.
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Last Update 2020 Sep 19 02:16 (species record created: 2001 Sep 29 00:00)