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Apri l'appDescrizione
Neogobius fasciatus, commonly known as the Banded Goby or Ghiozzo Fasciato, is a small, benthic fish belonging to the family Gobiidae. It is characterized by its elongated body, distinctive banding patterns, and a fused pelvic fin forming a suction cup. This species is native to the Ponto-Caspian region and has become an invasive species in various European waterways due to its adaptability and reproductive success. It plays a significant role in its ecosystems, both as a prey item and a predator of benthic invertebrates and fish eggs.
Caratteristiche fisiche
- Forma del corpo
- elongated
- Colorazione
- Dorsal side is typically brownish-grey to olive-green, fading to a lighter, often yellowish or whitish ventral side. The most distinguishing feature is the presence of 5-7 dark, vertical bands or saddles along the flanks, which can vary in intensity. Fins are often mottled or banded.
- Tipo di squame
- ctenoid
- Posizione della bocca
- terminal
- Caratteristiche distintive
- Fused pelvic fins forming a suction cup-like disc on the ventral side., Two distinct dorsal fins, the first spiny and the second soft-rayed., Large head with prominent eyes positioned dorsally., Presence of 5-7 dark vertical bands on the flanks.
- Pinna dorsale
- Two dorsal fins: D1 (spiny) with 6-7 spines; D2 (soft-rayed) with 1 spine and 14-18 soft rays. The first dorsal fin is typically lower than the second.
- Pinna caudale
- Rounded to slightly emarginate caudal fin.
- Pinna pettorale
- Large, fan-like pectoral fins with 17-20 rays.
- Pinne distintive
- Pelvic fins are completely fused into a single, anteriorly concave, suction-cup like disc, characteristic of gobies.
Consigli per l'identificazione
Body Shape and Coloration
Look for an elongated, somewhat cylindrical body with a brownish-grey to olive base color and 5-7 prominent dark vertical bands on the sides. The belly is lighter.
Pelvic Fins
The most definitive feature is the fused pelvic fins, forming a single, rounded suction cup on the underside of the fish, just behind the pectoral fins. This is a key characteristic of gobies.
Dorsal Fins
Observe the two distinct dorsal fins. The first is spiny and generally lower than the second, which is soft-rayed. The second dorsal fin is typically longer.
Head and Eyes
Note the relatively large head with eyes positioned high on the head, giving it a somewhat 'frog-like' appearance.
Habitat
- Tipo di acqua
- freshwater
- Profondità
- Typically found in shallow waters, from 0.5 to 10 meters, but can occur deeper.
- Ambiente
- Prefers benthic habitats in rivers, lakes, and reservoirs. Thrives in areas with rocky or gravelly substrates, often seeking shelter under stones, logs, or dense vegetation. Tolerant of a wide range of water conditions, including moderate pollution and varying flow rates.
- Areale geografico
- Native to the Black Sea, Azov Sea, and Caspian Sea basins, including their inflowing rivers. Introduced and invasive in many European river systems, including the Danube, Rhine, and Elbe, and has been reported in the Baltic Sea basin.
Informazioni sull'acquario
- Livello di cura: intermediate
- Temperamento: territorial
- Dieta: carnivore
- Dimensione minima della vasca: 30 gallons
- Temperatura: 18-24°C (64-75°F)
- Livello di pH: 7.0-8.0
- Durezza: 10-25 dGH
- Compatibilità: Best kept in a species-specific tank or with robust, similarly sized fish that can tolerate its territorial nature. Avoid keeping with very small or docile species.
- Requisiti speciali: Requires a well-established tank with plenty of hiding spots, such as rocks, caves, and driftwood. A sandy or fine gravel substrate is preferred as they often burrow. Good filtration and regular water changes are essential. Can be sensitive to poor water quality.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Spawning typically occurs from late spring to early summer (April-July), with increased activity during these months. They are active year-round, though less so in colder temperatures.
- Prezzo di mercato: Low
- Importanza commerciale: low
- Sapore: Mild, slightly earthy
- Consistenza: Firm, flaky
- Metodi di cottura: Frying, Grilling, Stewing
- Valore nutrizionale: Good source of protein and omega-3 fatty acids, typical of small freshwater fish.
Fatti chiave
Invasive Successbehavior
Neogobius fasciatus is a highly successful invasive species in many European river systems, often outcompeting native fish for resources and altering local ecosystems.
Benthic Lifestylebehavior
These gobies are primarily bottom-dwellers, using their fused pelvic fins as a suction cup to cling to rocks and other substrates, especially in strong currents.
Dietary Generalistsbehavior
Their diet is broad, including a variety of benthic invertebrates like insect larvae, crustaceans, and mollusks, as well as fish eggs and small fish, making them adaptable predators.
Parental Carebehavior
Males exhibit parental care, guarding nests of eggs laid by multiple females, a common trait among goby species.
Informazioni di sicurezza
Sicuro- Livello di sicurezza: safe
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: Neogobius fasciatus is not venomous. When handling, care should be taken to avoid accidental fin pricks, as with any fish, but there are no known toxic properties. They can be quite slippery and active when caught.
Specie simili
Round Goby
Neogobius melanostomus
The Round Goby typically has a single, prominent black spot on the anterior part of its first dorsal fin, which is absent in Neogobius fasciatus. N. fasciatus also tends to have more distinct and regular vertical bands compared to the often more mottled or blotchy pattern of N. melanostomus.
Tubular Goby
Neogobius schmidti
The Tubular Goby has a more slender body and a more pointed snout. Its coloration is generally more uniform, lacking the distinct vertical bands of N. fasciatus. The first dorsal fin of N. schmidti is also typically higher and more pointed.
Monkey Goby
Neogobius fluviatilis
The Monkey Goby generally has a more uniform brownish coloration with less distinct banding, often appearing as irregular blotches. Its head is typically broader and flatter than N. fasciatus.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Gobiiformes
- Famiglia
- Gobiidae
- Genere
- Neogobius
- Specie
- fasciatus
Esplora Ghiozzo Fasciato
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