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🌊 Marine Least Concern 🍽️ Edible ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Peruvian sea catfish

Galeichthys peruvianus Lütken, 1874
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
29.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Peruvian sea catfish (Galeichthys peruvianus) is a ray-finned fish of the family Ariidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 35 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List. Commercially fished and consumed as food, venomous.

Scientific Name
Galeichthys peruvianus
Authority
Lütken, 1874
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
35 cm
Trophic Level
3.6
Resilience
Medium
Vulnerability
29.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Ariidae
Ariidae
Genus
Galeichthys
Galeichthys
Species
Peruvian sea catfish
Galeichthys peruvianus

🐟 Physical Description

This species is distinguished by the following characters: slender head and body, with body posteriorly well tapered; pointed caudal fin lobes, upper lobe longer; long and narrow caudal peduncle; lateral body with silvery to reddish stripe; tooth patches posterior to premaxillary tooth band slightly separated at midline; Anterior gillrakers on first arch 13-15; external skull with shallow, narrow dorsomedian groove, extending from interorbital area to base of supraoccipital; cranial fontanelles (of exposed skull) set within steeply-welled median cranial depression, or fissure, with nearly parallel sides; rugose skull, striate and tuberculate in part; swimbladder angularly heart-shaped and anterior margins more triangular than rounded, longitudinal septum of posterior chamber of swimbladder traversed by one smaller septum; aortic canal on ventral side of Weberian apparatus uncovered by lamellae (no aortic tunnel formed); Müllerian ramus of fourth vertebra with irregularly textured, ovoid, concave facet on ventral side; posterior (humeral) process of the cleithrum broad and blade-like .: fusiform / normal.

🌀 Behaviour

Behavioural data for Peruvian sea catfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; demersal. Tropical; 3°S -

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.6±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L2.92 (TL)
Max TL
35cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Lütken, 1874

⚠️ 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

🍽️ Edibility & Flavour

"Peruvian sea catfish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 18.1 g
Omega-3 (total) 297 mg

🔬 Mercury Safety

Mercury data for Peruvian sea catfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Galeichtys peruvianus Lütken 1874 Synonym
Tachisurus peruvianus Lütken 1874 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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