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🌊 Marine Least Concern 🌡️ Deep-water

Pointy-nosed blue chimaera

Hydrolagus trolli Didier & Séret, 2002
Max Length
112 cm
Max Weight
8.8 kg
Lifespan
-
Trophic Level
4
Depth
612–1707 m
Climate
Deep-water
Resilience
Low
Vulnerability
69.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Oviparous . Eggs are encased in horny shells . Reported sexual maturity at 550-65.0 cm BDL or body length .

Scientific Name
Hydrolagus trolli
Authority
Didier & Séret, 2002
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
112 cm
Max Weight
8.8 kg
Depth Range
612–1707 m
Trophic Level
4
Resilience
Low
Vulnerability
69.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Body blue-gray with a dark line around the orbit and dark shadowing along edges of lateral-line canals. Snout pointed. Preopercular and oral lateral-line canals sharing a common branch. D1 concave with pale margin. Males with frontal tenaculum deeply curved, upturned distally with spines along dorsal upturned edge. Prepelvic tenacula deeply indented along distal margin. Pelvic claspers with pale fleshy distal lobes, divided distally for 1/3 their length, tips usually extending beyond distal edge of pelvic fins. Ventral caudal fin not deeply indented at its origin to form a separate anal fin.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pointy-nosed blue chimaera is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 612 - 1707 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00331 × L3.07 (TL)
Max TL
112cm
Max Weight
8,800g

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
69.00/100
High vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Didier & Séret, 2002

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Abyssal Ghostshark · Pointy-nose Blue Chimaera · Pointy-nosed Blue Chimaera · Pointynose Blue Chimaera · Ray Troll’s Chimaera
🇫🇷French Chimère bleue à museau pointu
🇳🇱Dutch Puntsnuitdraakvis
🇵🇹Portuguese Quimera-azul

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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