Parapimelodus
''Parapimelodus'' is a small genus of long-whiskered catfishes native to South America. Species There are currently two recognized species in this genus: * '' Parapimelodus nigribarbis'' ( Boulenger, 1889) * '' Parapimelodus valenciennis'' ( Lütken, 1874) Distribution The two species of ''Parapimelodus'' are isolated from each other. ''P. valenciennis'' is known from the Uruguay, La Plata, Paraguay, and the lower to middle Paraná Rivers. ''P. nigribarbis'' is restricted to the Lagoa dos Patos system. Description The body is compressed and becomes strongly compressed at the tail. The head is slightly depressed and the mouth is slightly inferior, with the upper jaw longer than the lower jaw. There is one pair of maxillary barbels and two mental. The dorsal and pectoral fin spines are strong and pungent. These fish have a silvery-grey dorsal surface and a whitish or slightly yellowish ventral surface. The barbels are usually dark. Unpaired fins are usually strongly pigmented wi ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Parapimelodus Nigribarbis
''Parapimelodus'' is a small genus of long-whiskered catfishes native to South America. Species There are currently two recognized species in this genus: * '' Parapimelodus nigribarbis'' ( Boulenger, 1889) * '' Parapimelodus valenciennis'' ( Lütken, 1874) Distribution The two species of ''Parapimelodus'' are isolated from each other. ''P. valenciennis'' is known from the Uruguay, La Plata, Paraguay, and the lower to middle Paraná Rivers. ''P. nigribarbis'' is restricted to the Lagoa dos Patos system. Description The body is compressed and becomes strongly compressed at the tail. The head is slightly depressed and the mouth is slightly inferior, with the upper jaw longer than the lower jaw. There is one pair of maxillary barbels and two mental. The dorsal and pectoral fin spines are strong and pungent. These fish have a silvery-grey dorsal surface and a whitish or slightly yellowish ventral surface. The barbels are usually dark. Unpaired fins are usually strongly pigmented w ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Pimelodidae
The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes (order Siluriformes). Taxonomy The family Pimelodidae has undergone much revision. Currently, it contains about 30 genera and about 90 recognized and known but unnamed species. Wikipedia lists 109 species in this family. The low-eye catfish (previously family Hypophthalmidae), and thus the genus '' Hypophthalmus'', which contains four species, was reclassified with the pimelodids. This family previously included fish that are now classified under Pseudopimelodidae (previously subfamily Pseudopimelodinae) and Heptapteridae (previously subfamily Rhamdiinae). This family also previously included '' Conorhynchos conirostris'', currently ''incertae sedis''. However, a molecular analysis has shown unequivocal support for monophyly of the individual families and the genus ''Conorhynchos'' into a clade called Pimelodoidea, including Pimelodidae + Pseudopimelodidae and Heptapteridae + ''Conorhynch ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Francesca Raimonde La Monte
Francesca Raimonde LaMonte (or La Monte; 1895–1982) was a noted ichthyologist and a founding figure of the International Game Fish Association. Career LaMonte worked as an Assistant Curator at the American Museum of Natural History from 1920 to 1962. She began working with the museum two years after graduating from Wellesley College by translating scientific articles to English from French, German, Spanish, Italian, and Russian. LaMonte conducted significant field work, specializing in big game fish such as marlins and swordfish. She authored numerous scientific papers and best-selling fishing guides with vivid descriptors. Her years of science writing gained her the respect of prominent literary figures, including Ernest Hemingway, whom she advised on fish anatomical descriptions. The genus of the South American armored catfish (''Lamontichthys ''Lamontichthys'' is a genus of Loricariidae, armored catfishes native to South America. Taxonomy The phylogenetics, phylogenetic ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Melanophore
Chromatophores are cells that produce color, of which many types are pigment-containing cells, or groups of cells, found in a wide range of animals including amphibians, fish, reptiles, crustaceans and cephalopods. Mammals and birds, in contrast, have a class of cells called melanocytes for coloration. Chromatophores are largely responsible for generating skin and eye colour in ectothermic animals and are generated in the neural crest during embryonic development. Mature chromatophores are grouped into subclasses based on their colour under white light: xanthophores (yellow), erythrophores (red), iridophores (reflective / iridescent), leucophores (white), melanophores (black/brown), and cyanophores (blue). While most chromatophores contain pigments that absorb specific wavelengths of light, the color of leucophores and iridophores is produced by their respective scattering and optical interference properties. Some species can rapidly change colour through mechanisms that trans ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Fish Of South America
A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can be grouped into the more basal (phylogenetics), basal jawless fish and the more common jawed fish, the latter including all extant taxon, living cartilaginous fish, cartilaginous and bony fish, as well as the extinct placoderms and acanthodians. In a break to the long tradition of grouping all fish into a single Class (biology), class (Pisces), modern phylogenetics views fish as a paraphyletic group. Most fish are ectotherm, cold-blooded, their body temperature varying with the surrounding water, though some large nekton, active swimmers like white shark and tuna can hold a higher core temperature. Many fish can communication in aquatic animals#Acoustic, communicate acoustically with each other, such as during courtship displays. The stud ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Tapes, Rio Grande Do Sul
Tapes is a municipality in Rio Grande do Sul state, Brazil, near to Porto Alegre. It is good for sailing, windsurfing, kitesurfing. Tapes Tapes is a city located on the shores of Lagoa dos Patos, in the state of Rio Grande do Sul, Brazil. Known as "The Girlfriend of the Lagoon," Tapes enjoys a privileged location, with a stretch of land known as the "lagoon's bag." The city is renowned for being home to one of the best beaches in the southern region, attracting both locals and tourists from cities like Porto Alegre and Pelotas. Culture and Attractions One of the main attractions of Tapes is the Gaúcho music, an integral part of the cultural identity of the region. Groups like Os Tapes, although no longer active, and artists like José Cláudio Machado were instrumental in spreading traditional Gaúcho music, significantly contributing to the local music scene. The city also houses a House of Culture that hosts a small museum with indigenous artifacts, highlighting the rich ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Bottom Trawling
Bottom trawling is trawling (towing a trawl, which is a fishing net) along the seafloor. It is also referred to as "dragging". The scientific community divides bottom trawling into benthic trawling and Demersal zone, demersal trawling. Benthic trawling is towing a net at the very bottom of the ocean and demersal trawling is towing a net just above the benthic zone. Bottom trawling can be contrasted with midwater trawling (also known as Pelagic zone, pelagic trawling), where a net is towed higher in the water column. Midwater trawling catches pelagic fish such as anchovies and mackerel, whereas bottom trawling targets both bottom-living fish (groundfish) and semi-pelagic species such as cod, squid, shrimp, and Sebastes, rockfish. Trawling is done by a Fishing trawler, trawler, which can be a small open boat with only or a large factory trawler with . Bottom trawling can be carried out by one trawler or by two trawlers fishing cooperatively (pair trawling). Global catch from bottom ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Copeia
''Ichthyology & Herpetology'' (formerly ''Copeia'') is a quarterly peer-reviewed scientific journal covering research in ichthyology and herpetology that was originally named after Edward Drinker Cope, a prominent American researcher in these fields. It is the official journal of the American Society of Ichthyologists and Herpetologists. According to the ''Journal Citation Reports'', ''Copeia'' has a 2021 impact factor of 1.857, ranking it 65th out of 176 journals in the category "Zoology". History On December 27, 1913, John Treadwell Nichols published the first issue of ''Copeia''. This issue consisted of a single piece of paper folded to form four pages of information with five articles. The cover of the pamphlet bore the inscription: "Published by the contributors to advance the science of coldblooded vertebrates." In 2020, the American Society of Ichthyologists and Herpetologists voted to rename the journal, ''Ichthyology & Herpetology''. Name change The journal ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Roberto Esser Dos Reis
Roberto Esser dos Reis, is a Brazilian Ichthyology, ichthyologist, professor and Curator of Fishes at the Pontifical Catholic University of Rio Grande do Sul. Among other duties, Reis has been working at the University of São Paulo, Brazil, the University of Michigan, Ann Arbor, Michigan, Ann Arbor, and the University of Central Florida, Orlando, Florida, United States. Most of his research as an ichthyologist regards different types of South American catfish. He is also chair foSouth America of the Freshwater Fish Specialist Group Species Survival Commission, and advises the IUCN on the biological aspects of the Conservation biology, conservation of threatened species. Reis authored more than 120 original journal papers, and four books. Reis is Chief Editor of the Checklist of Freshwater Fishes from Central and South America (CLOFFSCA), and past President of the Brazilian Ichthyological Society. Reis has discovered and described more than 100 fish species. Taxon described by hi ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Plankton
Plankton are the diverse collection of organisms that drift in Hydrosphere, water (or atmosphere, air) but are unable to actively propel themselves against ocean current, currents (or wind). The individual organisms constituting plankton are called plankters. In the ocean, they provide a crucial source of food to many small and large aquatic organisms, such as bivalves, fish, and baleen whales. Marine plankton include bacteria, archaea, algae, protozoa, microscopic fungi, and drifting or floating animals that inhabit the saltwater of oceans and the brackish waters of estuaries. fresh water, Freshwater plankton are similar to marine plankton, but are found in lakes and rivers. Mostly, plankton just drift where currents take them, though some, like jellyfish, swim slowly but not fast enough to generally overcome the influence of currents. Although plankton are usually thought of as inhabiting water, there are also airborne versions that live part of their lives drifting in the at ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |