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🌊 Marine Least Concern 🌡️ Deep-water

Longsnout blacksmelt

Dolicholagus longirostris Maul, 1948
Max Length
17.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
200–1497 m
Climate
Deep-water
Resilience
Medium
Vulnerability
40.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Mesopelagic . Usually caught in small aggregations . Exhibits daily vertical migrations . Feeds on plankton .

Scientific Name
Dolicholagus longirostris
Authority
Maul, 1948
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
17.5 cm
Depth Range
200–1497 m
Latitude
21°S – 39°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
40.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 11; Anal spines: 0; Anal soft rays: 18 - 21; Vertebrae: 48 - 53. Head and body silver when fresh; no scale pocket markings; lateral line indistinct . Slender body. Jaws rounded and subequal at the tips . Body strongly elongated with almost equal depth. Caudal peduncle short and relatively narrow. Pectorals short, far from reaching origin of dorsal fin. Radial pattern noticeable at the hind lower part of operculum. Few gill rakers on the inner surface of epibranchial of first gill arch .: elongated.

🌀 Behaviour

Behavioural data for Longsnout blacksmelt is currently being reviewed.

🦐 Diet

Diet information for Longsnout blacksmelt is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 200 - 1497 m , usually 200 - 400 m . Deep-water; 39°N - 21°S south of Portugal to Madeira.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.45
Food Items

plankton (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.01 (TL)
Max TL
17.5cm
Dorsal Rays
10
Anal Rays
20
Vertebrae
51

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
39°N – 21°S
Described By
Maul, 1948

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Longsnout blacksmelt · Longsnout Deepsea Smelt
🌍CES okatka dlouhorypá
🇫🇮Finnish valjusyvännekuore
🇫🇷French Garcette pâle
🇯🇵Japanese Ginsokoiwashi · ギンソコイワシ
🇷🇺Russian длиннорылый батилаг · Долихолаг

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 72 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Longsnout blacksmelt ↗
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