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Gobio gobio, commonly known as the Gudgeon, is a small, bottom-dwelling freshwater fish belonging to the family Cyprinidae. It is characterized by its elongated, cylindrical body, subterminal mouth with two barbels, and mottled coloration that provides excellent camouflage against riverbeds. This species is widely distributed across Europe and parts of Asia, inhabiting clear, well-oxygenated rivers and streams with gravelly or sandy substrates. Gudgeons are primarily nocturnal feeders, consuming a variety of benthic invertebrates. They are known for their schooling behavior, especially when young, and their ability to tolerate a range of environmental conditions, though they prefer clean, flowing water. While not a primary target for commercial fisheries, they are often used as bait fish and are popular among recreational anglers due to their abundance and willingness to bite. Their ecological role includes bioturbation of sediments and serving as a food source for larger predatory fish and birds.
Caratteristiche fisiche
- Forma del corpo
- elongated
- Colorazione
- Dorsal side is typically olive-brown to greenish-brown, fading to silvery-white on the belly. Sides are marked with a series of 6-12 dark, often indistinct, blotches or spots. Fins are usually dusky with small dark spots, especially on the dorsal and caudal fins.
- Tipo di squame
- cycloid
- Posizione della bocca
- subterminal
- Caratteristiche distintive
- Two prominent barbels at the corners of the subterminal mouth, extending to or beyond the anterior margin of the eye., Large, well-developed eyes positioned high on the head., Relatively large, cycloid scales., Mottled coloration providing camouflage.
- Pinna dorsale
- Single dorsal fin with 7-9 branched rays, typically located midway along the back.
- Pinna caudale
- Forked caudal fin with 17-19 rays.
- Pinna pettorale
- Pectoral fins are relatively large and rounded, with 13-17 rays.
- Pinne distintive
- Pelvic fins are abdominal, located beneath the dorsal fin. Anal fin has 6-7 branched rays.
Consigli per l'identificazione
Barbels
The presence of two distinct barbels at the corners of the mouth is a key identifier, distinguishing it from many other small cyprinids.
Mouth Position
Its subterminal mouth, adapted for bottom feeding, is characteristic.
Body Shape and Coloration
The elongated, cylindrical body with mottled brown/olive coloration and dark lateral blotches helps in identification, especially in its preferred habitat.
Fin Spotting
Small dark spots on the dorsal and caudal fins are often present and can aid in identification.
Habitat
- Tipo di acqua
- freshwater
- Profondità
- Typically found in shallow to moderately deep waters, usually less than 5 meters.
- Ambiente
- Prefers clear, well-oxygenated rivers, streams, and occasionally lakes with gravel, sand, or fine silt substrates. Often found in areas with moderate to strong currents, but also in slower-moving sections. Requires clean water with minimal pollution.
- Areale geografico
- Widespread across Europe, from the British Isles and France eastward through Central and Eastern Europe, extending into parts of Russia and Asia Minor. Absent from Scandinavia (except southern Sweden), southern Italy, and the Iberian Peninsula (except for some isolated populations).
Informazioni sull'acquario
- Livello di cura: beginner
- Temperamento: peaceful
- Dieta: omnivore
- Dimensione minima della vasca: 75 gallons (280 liters)
- Temperatura: 10-20°C (50-68°F)
- Livello di pH: 6.5-7.5
- Durezza: 5-20 dGH
- Compatibilità: Compatible with other peaceful, coldwater fish of similar size, such as minnows, dace, and loaches. Avoid aggressive or fin-nipping species.
- Requisiti speciali: Requires a well-oxygenated tank with a fine gravel or sand substrate for foraging and burrowing. Provide plenty of hiding spots using rocks, driftwood, and plants. Good filtration is essential to maintain water quality. They are schooling fish, so keep them in groups of 6 or more.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Spawns from April to June. Active year-round, though less active in colder months.
- Prezzo di mercato: Low (primarily for bait or local consumption)
- Importanza commerciale: low
- Sapore: Mild, slightly earthy
- Consistenza: Delicate, flaky
- Metodi di cottura: Frying, Pan-searing, Deep-frying
- Valore nutrizionale: Good source of protein and omega-3 fatty acids, though typically consumed in small quantities.
Fatti chiave
Bottom Dwellerbehavior
Gudgeons are primarily benthic fish, spending most of their time foraging on the riverbed for food.
Bait Fishinteresting
Due to their abundance and willingness to bite, Gudgeons are frequently used as live bait for larger predatory fish like pike and perch.
Sensitive to Pollutioninteresting
While adaptable, Gudgeons prefer clean, well-oxygenated water and their presence can be an indicator of good water quality in a river system.
Schooling Behaviorbehavior
Young Gudgeons often form large schools, providing safety in numbers against predators.
Nocturnal Foragersbehavior
Although they can be active during the day, Gudgeons are more active and feed predominantly during the night.
Informazioni di sicurezza
Sicuro- Livello di sicurezza: safe
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: Gudgeons are harmless to handle. Care should be taken to minimize stress if caught, and they should be returned to the water quickly if not intended for consumption or bait. Their scales can be easily damaged, so wet hands are recommended if handling.
Specie simili
Stone Loach
Barbatula barbatula
Stone Loaches have six barbels around the mouth (Gudgeon has two), a more elongated and slender body, and typically lack the distinct lateral blotches of the Gudgeon. Their dorsal fin is also positioned further back.
Minnow
Phoxinus phoxinus
Minnows lack barbels, have a more compressed body, and typically exhibit a more vibrant coloration, especially during breeding season. Their scales are also much smaller and often embedded.
Spined Loach
Cobitis taenia
Spined Loaches have six barbels and a distinctive erectile spine beneath each eye. Their body is more eel-like and compressed laterally, with a series of dark spots along the lateral line.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Cypriniformes
- Famiglia
- Cyprinidae
- Genere
- Gobio
- Specie
- Gobio gobio
Esplora Gudgeon
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