Foldlip Mullet

Olive dorsally; silvery ventrally (Ref. 9812).Description: Characterized by having whitish fins; cycloid or weakly ctenoid scales; snout shorter than eye diameter; very thick upper lip; deep longitudinal fold near ventral edge on upper lip, splitting lip into upper and lower lobes fringed with ridges of horny epidermis; thin and directed forward lower lip fringed with ridges of horny epidermis; upper and lower lip folds tucked under preorbital at corners of mouth; absence of adipose eyelid; deeply notched preorbital on anteroventral edge; emarginate caudal fin (Ref. 90102).

Dorsal spines (total): 4; Dorsal soft rays (total): 9 - 10; Analspines: 3; Analsoft rays: 9

Occur in coastal waters, mainly in reef flats and shallow lagoon reefs; often in silty habitats Form schools at the surface (Ref. 9710, 48637). Usually swimming in surface waters near freshwater run-offs. Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Used as live bait in pole-and-line tuna fishing (Ref. 9812).

fisheries: of no interest; bait: usually

分布於印度-西太平洋區水域，由紅海、東非洲至馬歇爾群鳥，北至日本南部，南至澳洲。臺灣四周海域除東部外均有。

較罕見魚種。

體延長呈紡綞形，前部圓形而後部側扁，背無隆脊。頭短。吻短；唇無齒，下唇有一低低的雙重小丘和單列的似乳頭狀物，上唇很厚具有3-4列似乳頭狀物。眼圓，前側位；脂眼瞼不發達；前眼眶骨寬廣，佔滿唇和眼之間的空間，前緣有深凹的缺刻。口小，亞腹位；舌骨上長一些牙齒，腭骨則無牙齒。鼻孔每側各一對。在稚魚期為圓鱗，隨著成長而變為具有多列顆粒狀櫛刺之櫛鱗；頭部及體側的側線發達；側線數目11-13條；側線鱗32-37。鰓耙繁密細長，第一鰓弓下枝鰓耙30-41。背鰭兩個，第一背鰭硬棘IV，第二背鰭鰭條I,8；胸鰭上側位，具16鰭條，基部上端具黑點，腋鱗不發達；腹鰭腹位，具鰭條I,5，腋鱗發達；臀鰭具鰭條III,9；尾鰭分叉；幽門垂數3-4條；具沙囊胃。新鮮標本的體背灰綠色，體側銀白色，腹部漸次轉為白色。胸鰭基部無色，而有黑色斑點在其上端。

主要棲息於沿岸砂泥底質地形的海域，包括潟湖、礁盤及潮池等海域，亦常侵入港區。以底泥中有機碎屑或水層中的浮游生物為食。群棲性。

The hornlip mullet (Plicomugil labiosus) is a species of fish in the mullet family from the Indo-Pacific from the Red Sea to Micronesia. It is the only species in the monospecific genus Plicomugil.