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App öffnenBeschreibung
Cynoscion leiarchus, commonly known as the Goete or Smooth Weakfish, is a species of marine fish belonging to the family Sciaenidae (drums and croakers). It is characterized by its elongated, silvery body and a lack of prominent spots or markings, distinguishing it from many of its congeners. This species is a predatory fish, primarily feeding on smaller fish and crustaceans, and is often found in coastal waters, estuaries, and lagoons.
Körperliche Merkmale
- Körperform
- elongated
- Färbung
- Dorsal surface is typically silvery-grey to greenish-grey, fading to bright silver on the flanks and belly. Fins are generally dusky or yellowish, sometimes with darker margins. Lacks distinct spots or bars on the body.
- Schuppentyp
- ctenoid
- Maulstellung
- superior
- Besondere Merkmale
- Elongated, fusiform body, Large mouth extending to or beyond the posterior margin of the eye, Two prominent canine-like teeth at the tip of the upper jaw, Absence of spots or bars on the body, Lateral line slightly arched anteriorly, then straight to the caudal fin
- Rückenflosse
- Two dorsal fins; the first is spiny (typically 9-11 spines), and the second is soft-rayed (1 spine, 25-29 soft rays). The two fins are distinctly separated.
- Schwanzflosse
- Truncate to slightly emarginate caudal fin.
- Brustflosse
- Relatively long pectoral fins, reaching about halfway to the anus.
- Auffällige Flossen
- Anal fin with 2 spines and 9-11 soft rays. Pelvic fins thoracic.
Bestimmungstipps
Body Coloration
Look for a uniformly silvery body without any distinct spots or bars, which helps differentiate it from other Cynoscion species.
Mouth and Teeth
Observe the large mouth with two prominent canine-like teeth at the front of the upper jaw. The mouth extends to or beyond the eye.
Dorsal Fins
Note the two distinctly separated dorsal fins: a spiny anterior fin and a soft-rayed posterior fin.
Lateral Line
The lateral line is slightly arched over the pectoral fin, then runs straight to the caudal fin.
Lebensraum
- Wassertyp
- saltwater
- Tiefe
- Typically found in shallow coastal waters, from the surface down to about 50 meters (164 feet).
- Umgebung
- Inhabits estuaries, lagoons, bays, and nearshore coastal waters, often over sandy or muddy bottoms. Frequently associated with seagrass beds and mangrove areas, especially as juveniles. Tolerant of a wide range of salinities.
- Geografische Verbreitung
- Western Atlantic Ocean, from the Caribbean Sea and Gulf of Mexico south along the coast of Central and South America, reaching as far south as southern Brazil.
Aquarieninformationen
- Pflegeaufwand: expert
- Temperament: aggressive
- Ernährung: carnivore
- Mindestbeckengröße: 500 gallons
- Temperatur: 22-28°C (72-82°F)
- pH-Wert: 8.1-8.4
- Härte: 8-12 dKH
- Verträglichkeit: Not suitable for community tanks with smaller fish. Can be kept with other large, robust, predatory fish of similar size, provided ample space.
- Besondere Anforderungen: Requires a very large tank with excellent filtration due to its size and predatory nature. Needs plenty of open swimming space and a sandy or fine gravel substrate. Live food or large frozen meaty foods are essential for its diet.
Informationen zum Wildbestand
- Erhaltungszustand: least concern
- Saisonalität: Availability can vary seasonally, often more abundant during warmer months or specific spawning periods in certain regions.
- Marktpreis: Varies regionally, generally moderate to high for food fish.
- Kommerzielle Bedeutung: medium
- Geschmack: Mild, delicate flavor
- Textur: Flaky, white flesh
- Zubereitungsarten: Frying, Baking, Grilling, Steaming
- Nährwert: Good source of lean protein and Omega-3 fatty acids.
Wichtige Fakten
Predatory Naturebehavior
The Goete is an active predator, primarily feeding on smaller fish such as anchovies, sardines, and mullet, as well as shrimp and other crustaceans. Its large mouth and prominent canine teeth are well-adapted for capturing prey.
Estuarine Dwellerinteresting
This species is highly adapted to estuarine environments, tolerating a wide range of salinities from nearly freshwater to full marine conditions. Juveniles often utilize these protected, food-rich areas as nursery grounds.
Sound Productionbehavior
Like many members of the Sciaenidae family, Cynoscion leiarchus is capable of producing sounds using specialized muscles that vibrate against its swim bladder. These sounds are believed to be used for communication, especially during spawning.
Angler's Targetinteresting
Due to its size and fighting ability, the Goete is a popular target for recreational anglers throughout its range, often caught using live bait or artificial lures.
Sicherheitsinformationen
Sicher- Sicherheitsstufe: safe
- Giftig: Nein
- Essbarkeit: edible
- Hinweise zum Umgang: No specific handling precautions beyond standard fish handling. Care should be taken with the sharp spines of the dorsal and anal fins, and the teeth can be sharp, though not venomous.
Ähnliche Arten
Silver Perch
Bairdiella chrysoura
Bairdiella chrysoura has a more compressed body, a smaller mouth, and typically a yellowish caudal fin. It also lacks the prominent canine teeth of Cynoscion leiarchus.
Sand Seatrout
Cynoscion arenarius
Cynoscion arenarius often has small, indistinct spots on its back and upper sides, which are absent in C. leiarchus. The Sand Seatrout also tends to have a slightly more slender body.
Spotted Seatrout
Cynoscion nebulosus
Cynoscion nebulosus is easily distinguished by the numerous distinct black spots on its back, dorsal fins, and caudal fin, which are entirely absent in C. leiarchus.
Wissenschaftliche Klassifikation
- Reich
- Animalia
- Stamm
- Chordata
- Klasse
- Actinopterygii
- Ordnung
- Perciformes
- Familie
- Sciaenidae
- Gattung
- Cynoscion
- Art
- Cynoscion leiarchus
Goete entdecken
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