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🌊 Marine Least Concern 🌡️ Subtropical

Brushtooth lizardfish

Saurida undosquamis Richardson, 1848
Max Length
50 cm
Max Weight
-
Lifespan
7 yrs
Trophic Level
4.5
Depth
1–350 m
Climate
Subtropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
30 cm
Depth Zone
reef

📖 Overview

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

Scientific Name
Saurida undosquamis
Authority
Richardson, 1848
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
50 cm
Lifespan
7 years
Depth Range
1–350 m
Latitude
44°S – 45°N
Trophic Level
4.5
Resilience
Medium
Vulnerability
39.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Aulopiformes
Aulopiformes
Family
Synodontidae
Synodontidae
Genus
Saurida
Saurida
Species
Brushtooth lizardfish
Saurida undosquamis

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 12; Anal spines: 0; Anal soft rays: 11 - 12. 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.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Brushtooth lizardfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

Size at Maturity
19.8cm TL

🌍 Habitat & Distribution

Marine; reef-associated; amphidromous ; depth range 1 - 350 m . Subtropical; 45°N - 44°S, 89°E - 154°E Indian Ocean, Malay Peninsula, southern Philippines, northern Java, Arafura Sea, Louisiade Archipelago, and northern half and southwestern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Amphidromous
Trophic Level
4.5±0.4
Food Items

fishes (anchovy and red mullet Mullus surmuletus), crustaceans, and other invertebrates (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.0055 × L3.1 (TL)
Max TL
50cm
Dorsal Rays
12
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Elongated
Climate Zone
Subtropical
Latitude Range
45°N – 44°S
Described By
Richardson, 1848

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Saurida argyophanes Jordan & Evermann 1902 Synonym
Saurida grandisquamis Günther 1864 Synonym
Saurida undosquamia Richardson 1848 Synonym
Saurus undosquamis Richardson 1848 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 38 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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