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🌊 Marine 🌡️ Temperate

Bubble-head snailfish

Paraliparis bullacephalus Busby & Cartwright, 2009
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
233–322 m
Climate
Temperate
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

The male (5.30 and 6.20 cm) specimens appear to be mature, while the female (9.40 cm) was mature with ovaries containing numerous mature and immature, spherical, pale-colored, opaque, yolked oocytes, ranging in diameter from 0.20-2.12 mm; from gross observation, there appear to be fewer than 100 eggs in each ovary. Specimens were collected with a 60 cm bongo net, epibenthic sled and bottom trawl .

Scientific Name
Paraliparis bullacephalus
Authority
Busby & Cartwright, 2009
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
6.2 cm
Depth Range
233–322 m
Trophic Level
3.4
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 60; Anal soft rays: 53 - 55; Vertebrae: 63 - 64. The species is distinguished from its congeners by the following set of characters: D 60; A 53-55; pectoral-fin rays 20-21; caudal-fin rays 6; vertebrae 63-64; dorsal contour of head rounded to snout, covered with gelatinous tissue; short snout with rounded tip projecting past upper jaw; small mouth, horizontal, inferior, with cleft reaching to nearly vertical below center of eye; large eye with dorsal margin level with or slightly above top of gill opening; large opercular flap, rounded, projecting slightly toward dorsal; upper lobe of pectoral fin with 15 rays, one in notch, and 4 or 5 in lower lobe, both lobes extending beyond anal-fin origin; cephalic pores are equal to or smaller in diameter than nostril; suprabranchial pore elevated, anterior of gill opening a distance about equal to opercular flap width; 3 pyloric caeca .: elongated.

🌀 Behaviour

Behavioural data for Bubble-head snailfish is currently being reviewed.

🦐 Diet

Diet information for Bubble-head snailfish is currently being compiled.

🥚 Reproduction

Reproduction data for Bubble-head snailfish is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 233 - 322 m . Temperate

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.15 (TL)
Max TL
6.2cm
Dorsal Rays
60
Anal Rays
54
Vertebrae
64

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Busby & Cartwright, 2009

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