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Editorial
It has been less than six months since the last issue of this
bulletin was published, and, as you will discover in these pages, we
have nevertheless received enough new information to publish a very
rich issue.
We begin with an article by Hearn who presents some
baseline information on the warty sea cucumber Stichopus horrens
from the Galápagos. Following the collapse of the
Isostichopus fuscus
fishery in the Galápagos Marine Reserve, fishers are now focusing on
Stichopus horrens, which has been illegally fished since 2004. It is
hoped that if a legal fishery for this species is opened, the
baseline information collected will be used to manage it sustainably.
We continue with two articles from the Middle East. Dar and Ahmad
write about the feeding selectivity and ecological role, as sediment
“reworkers”, of three shallow water holothurians, Holothuria atra,
H. hawaiiensis and Bohadschia vitiensis, in the Red Sea.
Tehranifard et al. examine the reproductive cycle of Stichopus
herrmanni from Kish Island, Iran, and share their results with
us.
As demonstrated in several past issues of this bulletin, sea
cucumber aquaculture is well developed in some parts of the world
such as China, but is still in its infancy in the Pacific Islands
region. Ivy and
Giraspy work in eastern Australia at the only commercial sea
cucumber farm operating in the tropical Pacific region. They
evaluate the potential of Holothuria scabra versicolor (golden
sandfish) for mass
culture in a hatchery. Conscious that the development of sea
cucumber farming will likely lead to the introduction of new
diseases, Yasoda et al. discuss the possibility of using probiotics
as an “eco-friendly” biological method against pathogens.
Lavitra et al. assess the abundance of echinoderm larvae, including
sea cucumber larvae, in the lagoon of Toliara Great Reef in
southwest Madagascar. The authors collected more than 9000
echinoderm larvae, and their sampling clearly shows seasonal
variability among the different larval forms. Sea cucumber larvae
are poorly studied, and this article comes as a useful addition to
the scientific literature.
Minimum size for live sea cucumbers is often used as
a management
tool, but measuring live sea cucumbers can be a real
challenge. Laboy-Nieves and Conde devised a new approach:
submerging
specimens in cold (~ 8° C) seawater to obtain
maximum contraction in less than 10 seconds.
Following the publication of the SPC
Pacific Island sea cucumber
and beche-de-mer identification cards — which focused on 22
commercially important species in the Western Pacific — a need
was identified for a guide that would include major commercially
valuable species from other parts of the world. Toral, from the
Charles Darwin Foundation (Galápagos), has initiated a project to develop such
a guide with the collaboration and support of FAO,
which will publish it. The project presents the perfect venue for
gathering available information on sea cucumber biology, ecology,
processing and markets, including photos and description of commercial
species at different levels of processing.
We continue to publish observations about natural
sea cucumber spawnings with descriptions in this issue from the
Mediterranean Sea and from La Reunion in the Indian Ocean. And as usual, we also include
a section on Abstracts and Publications.
I remind you that this and all previous issues of
the bulletin are available in pdf format on SPC’s website at:
http://www.spc.int/coastfish. The 600+ article and abstract titles that have been
published so far in the Bulletin can also be searched by title, author
name(s), scientific name, region or country in the database put together
by SPC’s Fisheries Information Section, and available on SPC’s website
at: http://www.spc.int/coastfish/news/search_bdm.asp.
Finally, I draw contributors’ attention to the new
“Instructions to Authors” that have been issued by SPC’s Fisheries
Information Section (http://www.spc.int/coastfish/news/SIG-instructions.pdf). This
bulletin now receives many more submissions than can be fitted in
a 50–60 page issue. This “success” may be partly attributed to
two factors: 1) sea cucumber fisheries have recently expanded (and often
collapsed) in many parts of the world, making them a hot topic of
fisheries management, and to our knowledge, the BDM bulletin is the sole
existing publication fully dedicated to the subject; and 2)
the bulletin’s longevity and high quality attracts spontaneous
submissions from authors.
But, this relative success has a downside. The human
and financial resources required to produce two lengthy issues each year
(and BDM is only one of seven information bulletins published
by SPC’s Information Section) are significant. Consequently, we must look
for ways to reduce the associated workload. Therefore, we
will now only be accepting articles that require minimal English language
revision and editing, and which adhere to SPC’s Instructions to
Authors. If you plan to submit an article to this Bulletin, and your
native language is not English, we strongly recommend that you hire an
English language editor to review your work before submitting it. If
this is not possible or practical, then we suggest you ask an
English-speaking colleague to check your manuscript prior to
submission. This will help to ensure that your paper is not rejected for
publication.
The
Beche-de-Mer Information Bulletin has now reached its 16th
year of existence and we must make sure it safely rides
towards and beyond its 20th
anniversary. I trust
that you will help us achieve this goal.
Chantal Conand
PS: Please note that, following its usual three-year
rhythm, the next Echinoderm Conference will be held in August 2006 on
the campus of the University of New Hampshire, Durham, NH (USA)
(more information at: http://www.iec2006.unh.edu).
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Baseline information on the warty sea cucumber
Stichopus horrens in Santa Cruz, Galápagos, prior to the
commencement of an illegal fishery
A. Hearn and F. Pinillos
(pdf: 248k)
The feeding selectivity and ecological role of shallow
water holothurians in the Red Sea
M.A. Dar and H.O. Ahmad (pdf:
344k)
Reproductive cycle of Stichopus herrmanni from Kish
Island, Iran
A. Tehranifard et al. (pdf:
312k)
Development of large-scale hatchery production techniques
for the commercially important sea cucumber Holothuria scabra
var. versicolor (Conand, 1986) in Queensland, Australia
G. Ivy and D.A.B. Giraspy (pdf:
192k)
Seasonal abundance of sea cucumber larvae at Toliara Great
Reef, Madagascar
T. Lavitra et al. (pdf:
96k)
A new approach for measuring Holothuria mexicana
and Isostichopus badionotus for stock assessments
E.N. Laboy-Nieves and J.E. Conde
(pdf: 108k)
Probiotics and sea cucumber farming
H.N. Yasoda et al. (pdf:
76k)
Fact sheets and identification guide for commercial sea
cucumber
species
M. Verónica Toral-Granda (pdf:
76k)
Observation of natural spawning of Holothuria tubulosa
H. Moosleitner (pdf:
120k)
Observation of natural spawning of Bohadschia vitiensis
S. Gaudron (pdf:
96k)
Abstracts and publications (pdf:
128k)
Download the complete publication in PDF (1.2 Mo):
Beche-de-mer 24 (pdf)
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Index of the Beche-de-mer Information
Bulletin other issues -
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