- 6 cm specimen
- Adult male in Rio Formoso, Mato Grosso do Sul
- Head of male in Rio Formoso
- 2-3 cm specimen
- Female in stress colors
- Rio Formoso in Mato Grosso do Sul, Brazil
- Rio formoso, cave red from high iron levels
- Semiadult in light from a sunset
- Male in cave
- Juvenile in stress coloration
- semi adult in stress colors
- view of belly after capture (female)
- Dorsal view after capture (female)
- Head after capture (female)
All Fishes Data Sheet | |
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Scientific Name | Ancistrus sp. `RIO FORMOSO II` |
Common Names | Formoso Mainriver Bristlenose Formoso Hovedflods-antennemalle (Denmark) |
Pronunciation | an SISS truss |
Etymology | The name Ancistrus is derived from the Greek word agkistron, meaning hook, in reference to the interopercular odontodes that are hooked. |
Species Information | |
Identification | Mature males and sometimes females have soft tentacles (bushy fleshy growths) on the snout - this is unique to the genus Ancistrus. |
Sexing | Males develop soft tentacles on the head and while sometimes females also do, it is never to the grand extent of those found on that of the conspecific male. |
Habitat Information | |
Distribution | La Plata, ParanĂ¡, Paraguay, Upper Paraguay, Formoso (click on these areas to find other species found there) Log in to view data on a map. |
Husbandry Information | |
Feeding | Ancistrus should be fed mainly on vegetarian foods. Prepared foods include algae wafers and spirulina based sinking food. Vegetables such as courgette/zucchini, and (English) cucumber are an excellent addition to the diet, along with the odd, small amount of more meaty foods. User data. |
Compatibility | A good complement to most aquariums, they are not aggressive to other species. Males may fight over territory if kept in too small a tank. |
Suggested Tankmates | Appropriate with most community fish that aren't overly big or aggressive. |
Breeding | All Ancistrus species are cave-breeders, where the male looks after the eggs and young fry. |
Breeding Reports | There is no breeding report. |
Further Information | |
Registered Keepers | There is no registered keeper. |
Wishlists | Love this species? Click the heart to add it to your wish list. There is no wish to keep this species. |
Spotters | Spotted this species somewhere? Click the binoculars! There is but a single record of this fish being seen, view it. |
Forum BBCode | |
Look up A. sp. `RIO FORMOSO II` on PlanetCatfish.com | |
LFS label creator | |
Last Update | 2019 Nov 21 10:42 (species record created: 2019 Nov 05 14:29) |