
Redbreast Sunfish
lepomis auritus
The Redbreast Sunfish (Lepomis auritus) is a vibrant and hardy freshwater fish native to the river systems and lakes of eastern North America. Renowned for its striking coloration, particularly the brilliant orange-red chest of spawning males, this species is a favorite among anglers and nature enthusiasts alike. It belongs to the sunfish family, Centrarchidae, and thrives in clean, slow-flowing streams, rocky pools, and vegetated lake margins. Unlike some of its relatives, the redbreast sunfish is well-adapted to moving water, making it a common resident of scenic river valleys. Beyond its beauty, the redbreast sunfish plays an important ecological role as both a predator of aquatic invertebrates and a food source for larger predatory fish and birds. During the spring breeding season, males demonstrate fascinating behaviors, meticulously constructing shallow gravel nests and aggressively defending them against intruders. Their curious nature and tolerance of human presence make them delightful subjects for streamside observation.
Lebensraum: Typically found in clear, slow-moving streams, rivers, rocky pools, and the shallow, vegetated margins of lakes and reservoirs.
Aussehen
This medium-sized, deep-bodied sunfish is easily recognized by its distinctive long, narrow opercular (ear) flap, which is entirely black and lacks the light margin seen in other sunfish. Its body displays an olive-green to blue-green color on the back, fading to a bright orange or deep reddish-yellow on the breast and belly, particularly in breeding males. The sides of its head are adorned with wavy, bright bluish-green lines, and its fins often show hints of orange, yellow, or blue. Adults typically measure between 10 to 24 centimeters in length.

Kategorie
FischeSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
Male redbreast sunfish are diligent fathers that build circular nests in shallow gravel beds and guard the eggs and fry tirelessly.
They are more tolerant of flowing water currents than most other members of the sunfish family, often preferring rivers and streams.
Unlike other sunfish, the redbreast has a very long, narrow black ear flap that is entirely black without a colored border.
Besondere Fähigkeiten
Active Nest Defense
Males aggressively defend their circular nests from predators and other intruders, showcasing high parental investment.
Suction Feeding
Utilizes rapid mouth expansion to create a vacuum, quickly pulling in aquatic insects, snails, and small fish from the water column.
Flow Tolerance
Unlike many sunfish species that prefer stagnant waters, it has a muscular build suited for navigating moderate river currents.
Maße und Details
- Länge
- 10-24 cm
- Gewicht
- 0.1-0.8 kg
- Lebenserwartung
- 4-7 Jahre
- Gelegegröße
- 1000-8000
- Brutzeit
- 2-6 Tage
Ernährung und Fütterung
Feeds opportunistically on a variety of aquatic insects, larvae, small crustaceans, snails, and occasionally tiny fish.
Altersunterschiede: Juveniles feed mostly on microscopic zooplankton and tiny insect larvae, while adults target larger invertebrates and small fish.
Hauptnahrung
- Mayfly larvae
- Aquatic snails
- Terrestrial insects
- Small crayfish
Nahrungssuche
- Foraging
Ökologische Zusammenhänge
Mayfly larvae
Hexagenia limbata
Preys heavily on aquatic larvae to fuel its active metabolism.
Largemouth Bass
Micropterus salmoides
Frequently preyed upon by larger freshwater ambush predators.
Bluegill
Lepomis macrochirus
Competes for nesting sites and overlapping food resources in freshwater habitats.
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Sicherheit
Gefahr
1/5 · Sehr gering
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Häufig gestellte Fragen
Wie identifiziert man Redbreast Sunfish?
Der einfachste Weg, Redbreast Sunfish zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Redbreast Sunfish?
10-24 cm
Was ist der/die/das gewicht von Redbreast Sunfish?
0.1-0.8 kg
Was ist der/die/das lebenserwartung von Redbreast Sunfish?
4-7 Jahre
Was frisst Redbreast Sunfish?
Feeds opportunistically on a variety of aquatic insects, larvae, small crustaceans, snails, and occasionally tiny fish.
Wo findet man Redbreast Sunfish normalerweise?
Typically found in clear, slow-moving streams, rivers, rocky pools, and the shallow, vegetated margins of lakes and reservoirs.
Wie jagt Redbreast Sunfish?
Foraging
Was ist der/die/das gelegegröße von Redbreast Sunfish?
1000-8000
Snap-Karte
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