Overview

Comprehensive Description

Biology

A little-known shark found in coastal, inshore waters (Ref. 244). Probably feeds on small fishes and invertebrates (Ref. 9997). Viviparous (Ref. 50449). Not known to be dangerous to people (Ref. 244). Meat utilized fresh and dried salted for human consumption, liver for oil (Ref.244). Caught irregularly by inshore gillnet fisheries, particularly those operating off Borneo (Ref.58048).
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Distribution

Range Description

Indian Ocean and West Pacific: Pakistan, India, Burma, Indonesia (Makassar Straits), Sarawak, and China (Compagno in prep).
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Indo-West Pacific: sporadically distributed from Pakistan eastward to Thailand, China, and the Makassar Strait, Indonesia.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 0
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Size

Max. size

170 cm TL (male/unsexed; (Ref. 9997))
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Diagnostic Description

Grey or yellow-grey above, lighter below; no conspicuous markings (Ref. 9997).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Found inshore on the continental shelf (mostly close inshore). A viviparous species giving birth to four to eight pups per litter after an eight month gestation period. Pups are 40?60 cm long when born, and grow to a maximum of 168 cm TL. Males mature at 114 cm TL, whereas females mature at <130 cm TL (Compagno et al. 2005).

Systems
  • Marine
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Environment

demersal; amphidromous (Ref. 51243); brackish; marine; depth range ? - 50 m
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Migration

Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).
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Trophic Strategy

A little-known shark found in coastal, inshore waters. Probably feeds on small fishes and invertebrates.
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Life History and Behavior

Life Cycle

Viviparous, placental (Ref. 50449), with 4 to 8 young per litter (Ref. 244). Gestation period of ~ 8 months (Ref.58048). Size at birth between 40 and 60 cm (Ref. 244). Distinct pairing with embrace (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Lamiopsis temminckii

The following is a representative barcode sequence, the centroid of all available sequences for this species. 

 
There is 1 barcode sequence available from BOLD and GenBank.   Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen.  Other sequences that do not yet meet barcode criteria may also be available.
 
FOAF863-07|BW-A3735|Lamiopsis temminckii| ------------------------------------------CTTTACCTAATTTTTGGTGCATGAGCAGGTATAGTTGGAACAGCCCTG---AGTCTTCTAATCCGAGCTGAACTCGGACAACCTGGATCTCTTTTAGGGGAT---GATCAGATTTATAATGTAATCGTAACTGCCCACGCTTTTGTAATAATCTTTTTTATAGTTATGCCAATTATAATTGGTGGTTTCGGAAATTGATTAGTTCCCTTAATA---ATTGGAGCACCAGATATAGCCTTTCCACGAATAAATAATATAAGTTTTTGACTCCTTCCACCATCATTTCTTCTTCTCCTTGCTTCCGCTGGAGTAGAAGCCGGAGCAGGTACTGGTTGAACAGTCTACCCTCCACTGGCTAGCAACCTAGCCCATGCTGGGCCATCTGTTGATTTG---GCTATTTTCTCTCTTCACTTAGCTGGTGTTTCATCAATCTTAGCTTCAATCAATTTCATCACAACTATTATTAACATAAAACCACCAGCCATTTCTCAATATCAAACACCATTATTTGTTTGATCTATCCTTGTAACTACTATTCTTCTTCTTCTTTCACTTCCAGTTCTTGCAGCA---GGAATTACAATATTACTCACAGACCGTAATCTCAATACTACATTCTTCGACCCTGCAGGTGGAGGAGACCCTATCCTTTATCAACATTTA-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  
-- end --

Download FASTA File
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Statistics of barcoding coverage: Lamiopsis temminckii

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 11
Species With Barcodes: 1

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
EN
Endangered

Red List Criteria
A2d+3d

Version
3.1

Year Assessed
2009

Assessor/s
White, W.T., Fahmi & Dharmadi

Reviewer/s
Stevens, J.D. & Valenti, S.V. (Shark Red List Authority)

Contributor/s

Justification
The Broadfin Shark (Lamiopsis temmincki) is a rare shark with a sporadic distribution off Pakistan, India, Burma, Indonesia (Makassar Straits), Sarawak, and China. It occurs on the continental shelf, mostly close inshore. The species is taken in bottom and floating gill nets and with line gear regularly (but sometimes in low numbers) by local fishermen off India (Bombay), Pakistan (Karachi), Sarawak and Kalimantan (Indonesia). Its meat is utilized for human consumption, its fins dried for the shark fin trade, and it liver is used for vitamin oil. This species apparently is rare throughout the majority of its range, but it was once known to be common off the western coast of India. No information is available to determine historical trends in other areas. It is only observed in low numbers in heavily fished areas such as Indonesia, indicating probable population depletion. This species is fairly similar to Glyphis species, which are suspected to have undergone serious declines as result of heavy fishing pressure. Given its rarity, very heavy and unregulated fishing pressure throughout its entire range, and evidence to suggest that significant declines have already occurred off India, the Broadfin Shark is assessed as Endangered globally.
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Population

Population
Rare throughout most of its range, but once known to be common off west coast of India (Compagno et al. 2005).

Population Trend
Decreasing
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Threats

Threats

Major Threats
Taken regularly (but in low numbers) by local fishermen of India (Bombay), Pakistan (Karachi), Sarawak and Kalimantan (Indonesia). Taken in bottom and floating gill nets and with line gear. Meat is utilized for human consumption, fins dried for fin trade and livers used for vitamin oil (Compagno in prep.). Probably threatened by habitat removal and destruction (e.g., inshore mangrove areas) which is prolific throughout much of its range. As this species predominantly occurs inshore, pollution from river outflow is also a possible threat.
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Endangered (EN) (A2d+3d)
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Management

Conservation Actions

Conservation Actions
Few specimens occur in museum collections and its current abundance where it was formerly reported as being common (India) needs to be investigated (Compagno in prep.).
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Wikipedia

Broadfin shark

The broadfin shark (Lamiopsis temminckii) is a species of requiem shark, family Carcharhinidae, found in the tropical waters of the Indo-Pacific oceans between latitudes 24° N and 4° S, from the surface to 50 m. Its length is up to about 1.7 m. It is viviparous, and not known to be dangerous to people.

References

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