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The pineal gland, a photosensitive organ regulating melatonin production by capturing light signals through the photoreceptor cell converting them into intercellular signals of the lamprey is located in the midline of its body, for lamprey, the pineal eye is accompanied by the parapineal organ.
As with all lamprey species, the least brook lamprey spends the majority of its life as a worm-like ammocoete. The ammocoete (5 mm–20 cm) is clear with a pigmented head when small (<5 cm), but becomes a dark/golden brown as it matures. Ammocoetes have pigmented eye spots located in the head that can detect light and dark.
The southern brook lamprey (Ichthyomyzon gagei) is a lamprey found in the Southern United States including Arkansas, Louisiana, Mississippi, Alabama, and Georgia. It is a jawless fish with a sucking mouth on one end of it (like a leech). It can appear to be a small eel, since it is rarely longer than one foot in length.
This lamprey is usually about 13 to 32 centimetres (5.1 to 12.6 in) long, but specimens have been known to reach 63 centimetres (25 in) and 200 grams (7.1 oz) in weight. Non-anadromous individuals are rarely over 18 centimetres (7.1 in) long. [4] It is brown, gray, or olive in color with a paler belly. There are two dorsal fins located near the ...
Duck breast topped with foie gras. Duck is particularly predominant in the Chinese cuisine—a popular dish is Peking duck.Duck meat is commonly eaten with scallions, cucumbers and hoisin sauce wrapped in a small spring pancake made of flour and water or a soft, risen bun known as gua bao.
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The range of the chestnut lamprey extends from Lake Winnipeg and the Hudson Bay down the Mississippi River to the Central and Eastern United States; this includes any large lakes or reservoirs where large host fish are present. [6] In Canada, the chestnut lamprey has been found in Saskatchewan, Manitoba, Ontario, and Quebec. [9]