Striped Raphael

Striped Raphael catfish ( armatulus) is a catfish of the family . It may also be called Southern striped Striped Raphael catfish Raphael, talking catfish, chocolate doradid, chocolate catfish or thorny catfish.[1] It is native to the Amazon, Paraguay–Paraná and lower Orinoco basins in .[2] This peaceful, nocturnal is a popular aquarium due to its pleasant temperament and curious nature.[3]

This catfish has long been confused with of Suriname and French Guiana, where the pale stripe on the body does not extend onto the head.[2] Scientific classification Domain: Eukaryota Contents Kingdom: Animalia Description and behavior Phylum: Chordata In the aquarium Class: See also Order: Siluriformes References Family: Doradidae : Platydoras Description and behavior Species: P. armatulus These fish burrow in the soft river bottoms and frequently occurs Binomial name on sandy bottoms.[4] These fish feed on mollusks, crustaceans and Platydoras armatulus organic debris.[4] (Valenciennes, 1840) They have rigid pectoral fin spines. The striped Raphael catfish Synonyms also has tiny and curved protective spines running along its body. The typically reported maximum standard length of this species is armatulus 20–24 cm (7.9–9.4 in).[5][6] Considerably larger individuals, up to 43 cm (17 in) long, have been reported from the Tocantins– Valenciennes, 1840 Araguaia basin,[4][7] but this population, together with those from the Tapajós and Xingu, likely represent an undescribed species (not to be confused with P. birindellii, a species from the Xingu basin that was described in 2018).[2][8]

Juvenile striped raphael catfish have been recorded cleaning piscivorous fish such as Hoplias cf. malabaricus. The stripe pattern in the young may serve as a signal that allows for its recognition as a cleaner. It is noted that the striping pattern is not as strong in adults, and so the cleaning behavior is probably only seen in juveniles.[9]

In the aquarium The striped Raphael catfish is a fine and sociable community fish that are peaceful to fellow and other fish species.[3] However, they are nocturnal, and are usually not visible during the day.[3]

It is best not to catch the striped Raphael catfish with a fish net because they are prone to sticking out their pectoral fin spines in a very rigid manner, especially if stressed. Untangling these spines from a net is difficult and dangerous to both handler and fish. Alternative methods should be used. Although known as a spawning Striped Raphael catfish in an fish, sexual differences are unknown and there have been no reports aquarium. of being successfully bred in captivity.[3] Because of this, these fish must be wild-caught, and therefore contaminants sometime occur in the hobby, such as , which differs in a longer snout.[3] The Raphael catfish will make some grunting/squeaking noises while out of water. Although generally sociable with other fish, sometimes this fish can feed on smaller fish so take care when introducing one to an established tank.

See also

List of freshwater aquarium fish species

References

1. Agbayani, Eli (2004-12-10). "Common Names List" (http://www.fishbase.org/ComNames/CommonNa meSummary.cfm?autoctr=80798107). FishBase. Retrieved 2007-05-21. 2. Piorski, Nivaldo M.; Garavello, Julio C.; Arce H., Mariangeles; Pérez, Mark H. Sabaj (2008). "Platydoras brachylecis, a new species of thorny catfish (Siluriformes: Doradidae) from northeastern Brazil" (https://doi.org/10.1590%2FS1679-62252008000300021). Neotropical Ichthyology. 6 (3): 481–494. doi:10.1590/S1679-62252008000300021 (https://doi.org/10.1590%2FS1679-62252008000 300021). 3. "PlanetCatfish::Catfish of the Month::July 1999" (http://www.planetcatfish.com/cotm/cotm.php?article _id=76). Planetcatfish.com. 2007-02-10. Retrieved 2007-06-19. 4. Froese, Rainer and Pauly, Daniel, eds. (2018). "Platydoras armatulus" (http://www.fishbase.org/sum mary/SpeciesSummary.php?genusname=Platydoras&speciesname=armatulus) in FishBase. July 2018 version. 5. "Platydoras armatulus" (https://www.planetcatfish.com/common/species.php?species_id=880). Planetcatfish. 3 October 2014. Retrieved 25 July 2018. 6. "Platydoras costatus" (https://www.seriouslyfish.com/species/platydoras-armatulus/). SeriouslyFish. Retrieved 25 July 2018. 7. Garcia-Ayala, J.R.; E.M. Brambilla; F.A. Travassos; E.D. Carvalho; G.S. David (2014). "Length– weight relationships of 29 fish species from the Tucuruí Reservoir (Tocantins/Araguaia Basin, Brazil)". J. Appl. Ichthyol. 30 (5): 1092–1095. doi:10.1111/jai.12449 (https://doi.org/10.1111%2Fjai.12 449). 8. Sousa, L.M.; M.S. Chaves; A. Akama; J. Zuanon; M.H. Sabaj (2018). "Platydoras birindellii, new species of striped raphael catfish (Siluriformes: Doradidae) from the Xingu Basin, Brazil". Proceedings of the Academy of Natural Sciences of Philadelphia. 166 (1): 1–13. doi:10.1635/053.166.0106 (https://doi.org/10.1635%2F053.166.0106). 9. Carvalho, Lucélia Nobre; Arruda, Rafael; Zuanon, Jansen Zuanon (2003). "Record of cleaning behavior by Platydoras costatus (Siluriformes: Doradidae) in the Amazon Basin, Brazil" (https://web. archive.org/web/20070927193437/http://www.ufrgs.br/ni/vol1num2/1(2)scientificnotes_02.pdf) (PDF). Neotropical Ichthyology. 1 (2): 137–139. doi:10.1590/S1679-62252003000200009 (https://doi.org/10. 1590%2FS1679-62252003000200009). Archived from the original (http://www.ufrgs.br/ni/vol1num2/1 (2)scientificnotes_02.pdf) (PDF) on 2007-09-27.

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