Cat-eLog Right Arrow Callichthyidae Right Arrow Callichthyinae Right Arrow Hoplosternum

Down arrow Cat-eLog Data Sheet
Scientific Name Hoplosternum littorale  (Hancock, 1828)
Common Names Fork Tailed Hoplo
Atipa-pansermalle (Denmark), Brown Hoplo, Currito (International)
Type Locality Demerara, Guyana.
Synonym(s) Callichthys albidus, Callichthys chiquitos, Callichthys laevigatus, Callichthys littoralis, Callichthys melampterus, Callichthys subulatus, Cascadura maculocephala, Cataphractops melampterus, Hoplosternum laevigatum, Hoplosternum littorale daillyi, Hoplosternum schreineri, Hoplosternum shirui, Hoplosternum stevardii
Pronunciation hop low STERN um - litt oh RAL
Etymology Hoplosternum: From the Greek hoplon, meaning shield and sternum, meaning breast; in reference to the prominent coracoid bones on the breast. 
Down arrow Species Information
Size 240mm or 9.4" SL. Find near, nearer or same sized spp.
Sexing Breeding males develop enlarged, red pectoral spines with hooks at the tips that are used to defend territories against other males.
General Remarks Grows to about 2 inches in 2 months; however, rarely exceeds 10 inches.
Down arrow Habitat Information
Distribution South America: Most Cis-Andean South American river drainages north of Buenos Aires, Argentina.
Amazon (click on these areas to find other species found there)
Orinoco (click on these areas to find other species found there)
La Plata (click on these areas to find other species found there)
Ceará State Rivers, Jaguaribe, Salgado (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 5.9 - 7.2
Temperature 18.0-24.0°C or 64.4-75.2°F (Show species within this range)
Other Parameters Slightly hard or mildly brackish water - natural habitat 500-2000 microS/cm.
Down arrow Husbandry Information
Feeding Shouldn't be hard to feed. Eats insects, insect larvae and even detritus.
Breeding Males build floating nests in vegetation near shore that consist of bubbles covered with plant material. Eggs are released by the female below the nest. The male fertilizes them and then takes them into his mouth and blows them up into the floating nest. The eggs hatch in about four days.
Breeding Reports There are 2 breeding reports, read them all here.
Down arrow Further Information
Reference Zoological Journal, London v. 4, pp 244.
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Last Update 2020 Nov 08 06:23 (species record created: 2001 Apr 21 00:00)