Ecuador country information

Common names: Cazón de leche
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 244, 96339.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/ec.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Triakinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

褐星鲨, كلب البحر الأملس البني, Émissole brune, ... more

Main reference

Compagno, L.J.V. 1984. (Ref. 244)
References | Biblio | Coordinator : Compagno, Leonard J.V. | Collaborators

Size / Weight / Age

Max length : 100.0 cm TL male/unsexed; (Ref. 31395); max. reported age: 13 years (Ref. 6098)

Length at first maturity
L_m ?, range 51 - 63 cm

Environment

Marine; demersal; depth range 0 - 281 m (Ref. 96339)

Climate / Range

Subtropical, preferred 27°C (Ref. 107945); 43°N - 18°S, 126°W - 72°W (Ref. 55310)

Distribution

Eastern Pacific: northern California, USA to the Gulf of California; Ecuador and Peru.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Adults are found on the continental shelves from the intertidal region to at least 200 m depth. They feed on crabs, ghost shrimps, mantis shrimps, isopods, squids, polychaete worms, tunicates and small bony fishes. Viviparous (with a yolk-sac placenta), with 3 to 5 young in a litter. Size at birth between 19 and 21 cm. Readily kept in captivity. Utilized for human consumption. Marketed fresh, smoked and frozen (Ref. 9987).

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

Threat to humans

Harmless

Human uses

Fisheries: highly commercial; gamefish: yes

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion

Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.6 ±0.4 se; Based on diet studies.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (rm=0.127; K=0.26; tm=2-6; tmax=15; Fec=3)

Vulnerability (Ref. 59153)
High vulnerability (58 of 100)

Price category (Ref. 80766)
Low

Mustelus henlei (Gill, 1863)