Brushtooth Lizardfish

Cigar-shaped, rounded or slightly compressed; the head pointed and depressed; the snout rounded. Dorsal origin closer to the adipose origin than the snout tip. Anal fin origin is closer to the tail base than the operculum. Color is brown-gray above and creamy below, with 8-10 indistinct darker spots along the middle of the sides.

Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).

Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 12; Analspines: 0; Analsoft rays: 11 - 12

Indo-west Pacific Region, in sandy or muddy areas (Ref. 9137). Found on the sublittoral zone above 100 m over sand or mud bottoms of coastal waters (Ref. 11228, 11230); also inhabits coral reefs (Ref. 58534). Occurs in inshore waters of the continental shelf and slope (Ref. 75154). Feeds on fishes (Ref. 26908), (anchovy and red mullet Mullus surmuletus), crustaceans, and other invertebrates (Ref. 5213). A carnivore (Ref. 9137).

Found on the sublittoral zone above 100 m over sand or mud bottoms of coastal waters (Ref. 11228, 11230). Feeds on fishes (anchovy and red mullet Mullus surmuletus), crustaceans, and other invertebrates (Ref. 5213). Spawns from April to May off Japan. Generally marketed frozen, sometimes fresh and as fish cakes ('kamaboko') in Japan (Ref. 4964). Minimum depth from Ref. 12260.

fisheries: minor commercial; price category: very high; price reliability: reliable: based on ex-vessel price for this species

分布於印度-西太平洋區，西起非洲東部，東至菲律賓，北至日本、臺灣，南至澳洲等。臺灣分布於南部、東北部、北部、西部及澎湖海域。

漁期全年皆有，可利用底刺網、底拖網或手釣等漁法捕獲。肉味鮮美細嫩，可惜肉質不多，適可沾粉油炸或切薑片燉煮，味道都不錯。

體圓而瘦長，呈長圓柱形，尾柄兩側具稜脊。頭較短。吻尖，吻長明顯大於眼徑。眼中等大；脂性眼瞼發達。口裂大，上頜骨末端遠延伸至眼後方；頜骨具銳利之小齒；外側腭骨齒一致為2列。體被圓鱗，頭後背部、鰓蓋和頰部皆被鱗；側線鱗數48-54；背鰭前鱗18-20。單一背鰭，具軟條11-12，雄性魚之第2鰭條不延長如絲；有脂鰭；臀鰭與脂鰭相對；胸鰭長，末端延伸至腹鰭起點後上方；尾鰭叉形，上葉等長於下葉。體背呈暗褐色，腹部為淡色，成魚體側有時會出現9-10個不顯之暗色斑塊。背、胸及尾鰭略呈青灰色；腹及臀鰭無色；尾鰭上葉上緣具8個暗點或暗斑，下葉下緣白色或透明。

主要棲息於沿海或大陸棚砂泥底質的海域。屬肉食性，以小型魚類及甲殼類為主。通常在砂地上停滯不動，身上的花紋是很好的偽裝，有時會將整個身體埋入砂中而只露出眼睛，等候獵物游經時，躍起吞食。

Saurida undosquamis, the brushtooth lizardfish, large-scale grinner or largescale saury, is a type of lizardfish, a demersal species that occurs in the Eastern Indian Ocean, Malay Peninsula, northern Java, Arafura Sea, Louisiade Archipelago, southern Philippines and northern Australia,. Reports of its occurrence in the Red Sea region and introduction to the Mediterranean are questionable,.

Found over muddy substrates of coastal waters. Feeds on fishes (anchovy and red mullet @Mullus surmuletus@), crustaceans, and other invertebrates (Ref. 5213). Spawning is from April to May off Japan. Generally marketed in frozen form, sometimes fresh and as fish cakes ('kamaboko') in Japan (Ref. 4964).