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Setipinna taty is a species of anchovy characterized by its elongated body, silvery coloration, and notably long, filamentous pectoral fin ray. It is a schooling fish, typically found in coastal marine and brackish waters, often entering estuaries and lower reaches of rivers. This species plays a significant ecological role as a forage fish and is of commercial importance in various parts of its range.
Ciri-ciri Fizikal
- Bentuk badan
- elongated
- Warna
- Silvery, often with a darker dorsal surface and a lighter, almost white ventral side. Fins are hyaline (transparent) to slightly dusky.
- Jenis sisik
- cycloid
- Kedudukan mulut
- superior
- Ciri tersendiri
- First ray of the pectoral fin is greatly elongated, often reaching beyond the anal fin origin, sometimes even to the caudal fin base., Snout is short and pointed., Maxilla extends well beyond the preopercle., Origin of the anal fin is anterior to the dorsal fin origin., Large, deciduous scales.
- Sirip dorsal
- Single, short dorsal fin located posteriorly, typically with 10-12 soft rays.
- Sirip ekor
- Deeply forked caudal fin.
- Sirip pektoral
- Pectoral fins are long, with the first ray greatly elongated and filamentous, containing 13-15 soft rays.
- Sirip tersendiri
- Anal fin is very long, originating anterior to the dorsal fin, with 45-55 soft rays. Pelvic fins are small, abdominal.
Petua Pengenalan
Elongated Pectoral Fin Ray
The most distinguishing feature is the extremely long, filamentous first ray of the pectoral fin, which can extend past the anal fin origin.
Anal Fin Origin
The anal fin originates significantly anterior to the dorsal fin origin, a key characteristic of the genus Setipinna.
Maxilla Extension
The upper jaw (maxilla) extends noticeably beyond the preopercle, often reaching the gill opening.
Body Shape and Coloration
Slender, compressed, silvery body with a pointed snout.
Habitat
- Jenis air
- brackish
- Kedalaman
- Typically found in shallow coastal waters, estuaries, and the lower reaches of rivers, from surface to about 50 meters.
- Persekitaran
- Pelagic-neritic, schooling in turbid coastal waters, often over muddy or sandy bottoms. Tolerant of a wide range of salinities.
- Julat geografi
- Indo-West Pacific: Persian Gulf, Arabian Sea, Bay of Bengal, Andaman Sea, East China Sea, and extending south to Indonesia and northern Australia. Also reported from the Philippines and Papua New Guinea.
Maklumat Akuarium
- Tahap penjagaan: expert
- Perangai: peaceful
- Diet: filter_feeder
- Saiz tangki minimum: Not suitable for home aquaria due to schooling behavior, specialized feeding, and size.
- Suhu: 24-28°C
- Tahap pH: 7.0-8.0
- Kekerasan air: 10-20 dGH
- Keserasian: Not typically kept in aquaria. If attempted in public aquariums, only with other peaceful, similarly sized pelagic species.
- Keperluan khas: Requires very large, specialized systems with strong filtration for planktonic food delivery and ample swimming space. Extremely sensitive to water quality and stress.
Maklumat Liar
- Status pemuliharaan: least concern
- Musim: Peak abundance often correlates with monsoon seasons or specific oceanographic conditions that enhance plankton blooms, varying regionally.
- Harga pasaran: Varies significantly by region and season, generally low to moderate as a bulk commodity.
- Kepentingan komersial: medium
- Rasa: Mild, slightly oily, characteristic anchovy flavor.
- Tekstur: Soft, delicate flesh with fine bones.
- Kaedah memasak: Fried, Dried, Salted, Fermented, Used in fish paste/sauce
- Nilai pemakanan: Good source of protein, omega-3 fatty acids, and various vitamins and minerals.
Fakta utama
Longest Fin Rayamazing
The first ray of the pectoral fin in Setipinna taty is remarkably elongated, often extending more than half the length of the body, a unique adaptation among anchovies.
Estuarine Dwellerbehavior
This species is highly euryhaline, meaning it can tolerate a wide range of salinities, allowing it to thrive in both marine coastal waters and brackish estuaries and river mouths.
Forage Fishinteresting
Setipinna taty forms large schools and is a crucial component of the marine food web, serving as a primary food source for larger predatory fish, seabirds, and marine mammals.
Commercial Fisheryinteresting
Despite its small size, S. taty is an important commercial species, particularly in artisanal fisheries, often caught using gillnets, seines, and trawl nets.
Maklumat keselamatan
Selamat- Tahap keselamatan: safe
- Berbisa: Tidak
- Kebolehmakanan: edible
- Nota pengendalian: No specific handling precautions are required beyond standard fish handling. Scales are deciduous and may come off easily.
Spesies serupa
Indian Hairfin Anchovy
Setipinna phasa
S. phasa generally has a shorter pectoral fin filament, typically not reaching beyond the anal fin origin. It also tends to have fewer anal fin rays (38-47 vs. 45-55 in S. taty) and a more restricted distribution, primarily in the Bay of Bengal and estuaries.
Burmese Hairfin Anchovy
Setipinna melanochir
S. melanochir has a blackish pectoral fin (hence 'melanochir' meaning black hand) and a shorter pectoral fin filament compared to S. taty. Its distribution is more restricted to Southeast Asia.
Commerson's Anchovy
Stolephorus commersonii
Stolephorus species lack the greatly elongated pectoral fin ray characteristic of Setipinna. They also typically have a shorter anal fin and a different body profile.
Klasifikasi saintifik
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Clupeiformes
- Keluarga
- Engraulidae
- Genus
- Setipinna
- Spesies
- Setipinna taty
Terokai Scaly Hairfin Anchovy
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