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The generic name Lepomis derives from the Greek λεπίς ("scale") and πῶμα ("cover", "plug", "operculum"). The genus' most recognizable species is perhaps the bluegill. Some Lepomis species can grow to a maximum overall length of 41 cm (16 in), though most average around 10–20 cm (3.9–7.9 in).
The bluegill sunfish relies heavily on the flexibility of its fins to maintain maneuverability in response to fluid forces. The bluegill's segmentation in its pectoral fin rays mitigates the effects of fluid forces on the fish's movement. [19] The bluegill has a variety of unusual adaptations that allow it to navigate different environments.
Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from Ancient Greek ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish [2] that comprise over 50% of living vertebrate species. [3]
A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which can also provide effective camouflage through the use of reflection and colouration, as well as possible hydrodynamic advantages.
The bluegill bully is the smallest of the Eleotrids, commonly reaching only 60–70 mm (2.4–2.8 in). [2] It is named for the bright blue edge to the operculum or gill cover, which is present in both sexes. It eats aquatic invertebrates and has an upturned mouth, allowing them to pick invertebrates off the stones above them. [2]
[4] [5] [6] Lepomis megalotis can be distinguished from closely related dollar sunfish L. marginatus by a greater number of cheek scale rows, by having one to two additional pectoral fin rays and by the slope of the opercular flap, which is distinctly upward in L. marginatus but is closer to horizontal in males of L. megalotis, although female ...
In North America, the popular freshwater fish species include bass, northern pike/muskellunge, walleye, trout and anadromous salmon, tilapia, channel catfish and panfishes such as crappie, sunfish (e.g. bluegill) and yellow perch.
The greengill sunfish (Lepomis macrochirus × cyanellus) is sometimes referred to as hybrid sunfish or bluegill x green sunfish hybrid. It is a hybrid between a bluegill (Lepomis macrochirus) and green sunfish (Lepomis cyanellus). [1] They can sometimes be found in ponds, lakes, or streams where there is both bluegill and green sunfish.