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🌊 Marine 🌡️ Tropical

Dwarf red deepwater scorpionfsh

Lythrichthys cypho Fowler, 1938
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
100–774 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Dwarf red deepwater scorpionfsh (Lythrichthys cypho) is a ray-finned fish. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 7 cm. It occurs at depths between 100 and 774 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Lythrichthys cypho
Authority
Fowler, 1938
Habitat
Marine
Climate
Tropical
Max Length
7 cm
Depth Range
100–774 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Lythrichthys
Lythrichthys
Species
Dwarf red deepwater scorpionfsh
Lythrichthys cypho

🐟 Physical Description

This species is distinguished by the following set of characters: scale rows between 6th dorsal-fin spine and lateral line 6-7 (usually 7); scale rows between last dorsal-fin spine and lateral line 6-7 (7); middle postorbital scale rows 2-3 (3); caudal-peduncle depth 7.4-9.4% (mean 8.7%) of SL; interorbital width at vertical midline of eye 16.3-25.9% (21.5%) of HL; maxillary depth 12.0-18.9% (14.0%) of HL; lower opercular spine length 25.7-28.5% (27.3%) of HL; dorsal margin of interorbital space flat; presence of nasal and parietal spines; supraocular spine present in juveniles (up to ca. 2.0 cm SL, size reducing with growth); second lacrimal spine directed anteroventrally or ventrally; tip of lower opercular spine below posterior margin of opercle (sometimes reaching to just behind posterior margin in specimens of ca. 4.0 cm SL or greater); jaws with short dense conical teeth; premaxillary teeth in 3-5 irregular rows, totaling ca. 150 teeth. Colouration: head and body base color blackish-red (dull red at ca. 4.0 cm SL or greater), with uniformly scattered black pigment spots in fresh specimens and blackish coloration becoming more distinct in preserved specimens; caudal fin and oral surface uniformly pale in preserved specimens and sometimes a few dark smudges posteriorly on palate .Cross section: compressed.

🌀 Behaviour

Behavioural data for Dwarf red deepwater scorpionfsh is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 100 - 774 m . Tropical East China Sea, Taiwan, Philippines, Indonesa, New Caleonia and in the eastern Indian Ocean: Western Australia and the Andaman Sea.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.08 (TL)
Max TL
7cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Fowler, 1938

👥 Community & Contribute

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