Abstract
The blackfin goosefish is included in a prized fish category, representing valuable fishery resource worldwide. The aim of this study was to identify the Anisakidae larvae parasitizing this fish species, considering the hygienic-sanitary and public health importance of these parasites infecting specimens of the blackfin goosefish, Lophius gastrophysus Miranda-Ribeiro, 1915 (Lophiidae), purchased from markets in the municipalities of Cabo Frio, Niteroi, Duque de Caxias and Rio de Janeiro; parasitological indices and sites of infection are presented. From March 2000 to December 2005, 87 specimens of Lophius gastrophysus were investigated for helminths. Seventeen fish (19.5%) were parasitized with larvae of anisakid nematodes. Anisakis simplex, Hysterothylacium sp. and Raphidascaris sp. appeared with prevalence of 1.14, 12.6 and 12.6%, intensity and mean intensity of infection of 1, 2.81, 10.5 and mean abundance of 0.01, 0.35 and 1.33 respectively. The sites of infection were stomach, stomach and intestine serosas and abdominal cavity. This is the first record of Anisakis simplex, Hysterothylacium sp. and Raphidascaris sp. for this species of fish.
Highlights
The species Lophius gastrophysus Miranda-Ribeiro, 1915 (Lophiidae), is widely known as “fishing fish” due to the way they attract preys to its wide mouth by moving the illicium
Lophius gastrophysus occurs from the State of Rio de Janeiro to Argentina, is the only species of Lophiiformes found in the Brazilian southeastern region (FIGUEIREDO; MENEZES, 1978) and is considered of high commercial value, mainly for international market
Single infections occurred in 11 specimens, five parasitized with Hysterothylacium sp. and six with Raphidascaris sp
Summary
The species Lophius gastrophysus Miranda-Ribeiro, 1915 (Lophiidae), is widely known as “fishing fish” due to the way they attract preys to its wide mouth by moving the illicium. The lophiids are considered poor swimmers found in depths not exceeding 200 m, occasionally reaching 1,000 m, and mostly inhabit bottom environments. The blackfin goosefish is included in a prized fish. Biological Sciences category, representing a valuable fishery resource worldwide. Lophius gastrophysus occurs from the State of Rio de Janeiro to Argentina, is the only species of Lophiiformes found in the Brazilian southeastern region (FIGUEIREDO; MENEZES, 1978) and is considered of high commercial value, mainly for international market. Considering the increasing opportunities to export meat of this fish species to the European and Asian countries, there was a rapid development related to organized fishery procedures involving Brazilian or other hired ships
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