Overview

Distribution

Range Description

This species has been reported from southern Japan and the coast of China from Zhejiang province to Hong Kong and includes Taiwan, Province of China (Reid and Jereb 2005).
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Central Indo-Pacific to India to Japan
  • UNESCO-IOC Register of Marine Organisms
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species inhabits sandy and muddy substrates (Norman 2003). Females attain a larger body size (up to 50 mm in mantle length) compared to males (up to 30 mm in mantle length) (Reid and Jereb 2005). Mature males have enlarged suckers on their second and fourth arm pairs (Norman 2003). Females lay clusters of round, pale orange eggs (Reid and Jereb 2005). This species has a light organ in its gill cavity which emits just enough light to hide its silhouette at night from predators (Norman 2003). It has been raised in aquaculture (Reid and Jereb 2005). This species is very similar in appearance and distribution range to Euprymna morsei, in fact females are indistinguishable from one another (Norman 2003). Members of the subfamily Sepiolinae are bottom living species that typically bury in soft sediments during the day, and emerge at night to feed (Norman 2003).

Systems
  • Marine
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pelagic, coastal
  • UNESCO-IOC Register of Marine Organisms
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Dispersal

Depth range

depth range to 107 m.
  • Jereb, P.; Roper, C.F.E. (Eds)(2005). An annotated an illustrated catalogue of cephalopod species known to date. Volume 1: Chambered nautilusses and sepioids (Nautilidae, Sepiidae, Sepiolidae, Sepiadariidae, Idiosepiidae and Spirulidae). FAO Species Catalogue for Fishery Purposes 4(1). FAO, Rome. 262p., 9 colour plates.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Euprymna berryi

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


There are 2 barcode sequences available from BOLD and GenBank.

Below is a 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 and other sequences.

GGTACTTTATATTTTATTTTTGGTATCTGATCTGGCTTATTAGGAACTTCTTTGAGTTTAATGATTCGAACTGAACTAGGAAAACCTGGTTCATTATTAAATGAT---GATCAATTATATAACGTAGTAGTAACTGCGCACGGTTTTGTTATAATTTTCTTTTTAGTTATACCAATTATAATTGGGGGGTTTGGTAATTGATTAGTCCCTTTAATGTTAGGGGCCCCTGATATGGCTTTCCCACGTATAAATAATATAAGGTTTTGATTGCTACCCCCCTCATTATCATTACTACTAGCCTCTTCGGCAGTAGAAAGGGGTGCAGGTACAGGATGGACTGTGTACCCTCCATTATCAAGTAATATTTCACATGCAGGCCCTTCAGTAGACCTAGCTATTTTTTCTCTTCATTTAGCAGGAGTATCTTCTATTTTAGGTGCTATTAATTTTATTACAACTATTATAAATATACGCTGAGAAGGACTACAAATGGAACGAATACCTTTATTTGTATGATCTGTTTTTATTACAGCCATTTTACTATTATTATCCCTACCTGTTTTAGCTGGAGCAATTACAATACTATTAACTGACCGAAACTTCAATACAACCTTTTTTGATCCAAGAGGGGGTGGTGATCCTATTTTATACCAACACTTATTC
-- end --

Download FASTA File

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Statistics of barcoding coverage: Euprymna berryi

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 6
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Barratt, I. & Allcock, L.

Reviewer/s
Reid, A., Rogers, Alex & Bohm, M.

Contributor/s
Herdson, R. & Duncan, C.

Justification
Euprymna berryi has been assessed as Data Deficient due to the persistence of taxonomic problems in the delineation of species in this genus. It is taken in small local fisheries and eaten locally, but without good distribution data it is impossible to determine whether it is impacted by any threats on a global scale.
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Population

Population
The population size of this species is unknown.

Population Trend
Unknown
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Threats

Major Threats
It is caught and consumed locally in regions where it is abundant (Reid and Jereb 2005).
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Management

Conservation Actions

Conservation Actions
Further research is required to resolve taxonomic uncertainties and determine population trends and life history patterns of this species.
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Wikipedia

Euprymna berryi

Euprymna berryi, commonly called Humming-bird Bobtail Squid or Berry's bobtail squid among various other vernacular names, is a species of mollusc cephalopod in the family Sepiolidae.[2]

Description[edit]

The humming-bird bobtail squid is a small sized sepia,its size varies according to the sex, males are not bigger than 3 centimetres (1.2 in) while the female reaches 5 centimetres (2.0 in) length.[3] The global body aspect is compact and rounded. It possesses height arms and two tentacles, a pair of small lateral fins on the posterior part of the mantle. The background color of the body is translucent with a large number of tiny dark chromatophores. Those later are widely distributed on all the body from arms, head, ventral and dorsal areas of the mantle, except the pair of lateral fins which only the border with the mantle has chromatophores. The external color of the sepia ,as we see it, is like a blend of small dark, electric blue and green dots.

Distribution & habitat[edit]

The Humming-bird Bobtail Squid is widespread throughout the tropical waters of the central Indo-Pacific area from the Indonesia to the Philippines.[4] Possible larger distribution that could reach Andaman Islands, the Sri Lanka and the western coast of India (some specimen were collected by scientists in 200-/2007).[5] Euprymna berryi has a benthic way of life, it likes sandy or fine sediments bottom in which it can easily bury itself in case of danger or to rest during day time.[6]

Biology[edit]

The humming-bird bobtail squid has a nocturnal activity, daytime it usually stay bury in the substrate. To hunt its prey at night, it uses a bioluminescent organ located in the gill cavity which just emits enough light not to reveal its silhouette to the potential predators.[7] It feeds on mainly small benthic crustaceans.[8]

References[edit]

  1. ^ Barratt, I. & Allcock, L. 2012. Euprymna berryi. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. <www.iucnredlist.org>. Downloaded on 19 October 2013.
  2. ^ http://fran.cornu.free.fr/affichage/affichage_nom.php?id_espece=1347
  3. ^ Jereb & Roper, CEPHALOPODS OF THE WORLD, Roma, FAO, 2005 (ISBN 92-5-105383-9)
  4. ^ Jereb & Roper, CEPHALOPODS OF THE WORLD, Roma, FAO, 2005 (ISBN 92-5-105383-9)
  5. ^ Sujit Sundaram and Miriam Paul Sreeram, First record of sepiolid squid, Euprymna berryi Sasaki, 1929 from the west coast of India, Journal of the Marine Biological Association of India, 2008
  6. ^ Norman, M.D. 2003. Cephalopods A World Guide. ConchBooks, Hackenheim, Germany.
  7. ^ Young, Richard E. and Michael Vecchione. 1996. Euprymna Steenstrup, 1887. Version 01 January 1996 (under construction). http://tolweb.org/Euprymna/20036/1996.01.01
  8. ^ Norman, M.D. 2003. Cephalopods A World Guide. ConchBooks, Hackenheim, Germany.
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