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Diadromous Data Deficient ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Steindachner's sea catfish

Cathorops steindachneri Gilbert & Starks, 1904
Max Length
36 cm
Max Weight
-
Lifespan
-
Trophic Level
4.4
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
30.00/100
Typical Length
20 cm
Depth Zone
demersal

📖 Overview

Steindachner's sea catfish (Cathorops steindachneri) is a ray-finned fish of the family Ariidae. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 36 cm. With a trophic level of 4.4, it is an apex predator. It is assessed as Data Deficient on the IUCN Red List. Venomous.

Scientific Name
Cathorops steindachneri
Authority
Gilbert & Starks, 1904
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
36 cm
Trophic Level
4.4
Resilience
Medium
Vulnerability
30.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Ariidae
Ariidae
Genus
Cathorops
Cathorops
Species
Steindachner's sea catfish
Cathorops steindachneri

🐟 Physical Description

Body somewhat elongate; mouth sub-terminal; cephalic plate prominent, granulated, and rough; pre-dorsal plate narrow; pre-maxillary teeth villiform; vomerine teeth lacking; palate with molariform teeth set in two separate sub-oval plates; inner edge of pectoral spine coarsely notched; caudal fin lobes long, thin, and pointed, about the same length as the head; body dark brown; belly white; flanks silvery blue (iridescent); fins dark or black; barbels dark brown .: fusiform / normal.

🌀 Behaviour

Behavioural data for Steindachner's sea catfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner 👄 Mouth Brooder
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal. Tropical; 14°N - 8°N Central America: Pacific draining rivers and estuaries.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
4.4±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00776 × L3.08 (TL)
Max TL
36cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
4.4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Gilbert & Starks, 1904

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous
Delivery
dorsal and pectoral spines with venom glands
Potency
Mild
Mortality Risk
Low
Symptom Onset
2min
Duration
12.0hrs
Antivenom
✗ Not Available
Named Toxins
crinotoxins protein toxins
Symptoms
  • pain
  • oedema
  • rare systemic effects
Affected Body Systems
peripheral nervous system
First Aid
Hot water immersion.
Medical Treatment

Wound care, analgesia.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Arius steindachneri Gilbert & Starks 1904 Synonym
Cathorops steindechneri Gilbert & Starks 1904 Synonym
Tachysurus steindachneri Gilbert & Starks 1904 Synonym

🗺️ 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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