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Freshwater Fish from Uruguay 2nd. edition (1)

Description: Dorsal soft rays (total): 8; Anal soft rays: 6. With 17-20 premaxillary and 14-16 dentary teeth on each jaw element; presence of 2 or more series of ventrally downturned odontodes on anteroventral rostral margin; head and snout deeply sculptured; 3 large and conspicuous odontode crests on supraoccipital: median crest with 3-4 series, lateral crests with 2 series of large odontodes; fourth infraorbital very large and broadly convex, presence of pair of preanal platelets preceded by 2 or more platelets. Habitat: This species is known from the rivers of the Atlantic coast of southern Santa Catarina and northern Rio Grande do Sul states, Brazil. It can be found inland only up to the mountains just along from the coastal plains, thereby restricting its range. Aquarium Care: Treat as with all members of the Hypoptopomatinae such as the Otocinclus/Parotocinclus genera with a planted aquarium and an overall cooler temperature. Diet: Omnivore: algae, tablet foods, flake and small frozen foods. Etymology: The genus name of Otothyris: otos, ear; thyris, lattice, referring to perforate temporals, pierced by 3-4 large openings, sometimes confluent into one. The specific name of rostrata: beaked, referring to the prominent and deeply sculptured snout. Remarks: This species was likely to be in decline at some point over the last century when much of the area was altered due to human activity. The population which is relatively stable now can only be found in a restricted area but because of the lack of major threat a Least Concern assessment has been made (IUCN 2009, needs updating).

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Loricariidae

South America: Atlantic coast of Santa Catarina and Rio Grande do Sul states (Brazil) and Uruguay. Type Locality: Osório, Canal between lagoons Emboaba and Emboabinha, on the highway between Osório and Tramandai, Rio Grande do Sul State, Brazil.

3.0cm. (1¼ins)

21-25°c (69-77°f.)

6.0-7.5.