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LarvalBase is a global online
database In computing, a database is an organized collection of data stored and accessed electronically. Small databases can be stored on a file system, while large databases are hosted on computer clusters or cloud storage. The design of databases s ...
of information about fish eggs, larvae and fry. It includes detailed data on the identification of very young fish and the rearing of fish species important for fisheries and aquaculture. , it included descriptions of 2,228
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
, 4,229 pictures, and references to 4,513 works in the
scientific literature : ''For a broader class of literature, see Academic publishing.'' Scientific literature comprises scholarly publications that report original empirical and theoretical work in the natural and social sciences. Within an academic field, scie ...
. The database is under the supervision of Bernd Ueberschaer at the
Leibniz Institute of Marine Sciences The GEOMAR - Helmholtz Centre for Ocean Research Kiel (GEOMAR), former ''Leibniz Institute of Marine Sciences'' ( German: ''Leibniz-Institut für Meereswissenschaften'', IFM-GEOMAR), is a research institute in Kiel, Germany. It was formed in 200 ...
in
Kiel Kiel () is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 246,243 (2021). Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the Jutland ...
, Germany. LarvalBase is an offshoot of, and follows the same format as FishBase, a comprehensive online database about finfish. Whereas FishBase is a database about adult finfish, LarvalBase is a database about the juvenile stages of fish. Juvenile fish often feed differently and occupy different habitats than the adults do. LarvalBase complements FishBase by providing information about these early stages of life. LarvalBase aims to include all the key data on finfish larvae, with an emphasis on standardising the data, making it easy to extract and combine data with other data, and offering powerful presentation tools. It draws on the traditional
primary source In the study of history as an academic discipline, a primary source (also called an original source) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time under ...
s found in papers, books and reports,
gray literature Grey literature (or gray literature) is materials and research produced by organizations outside of the traditional commercial or academic publishing and distribution channels. Common grey literature publication types include reports (annual, rese ...
and unpublished but reliable data from sources such as practicing aquaculturists. The data includes information such as
identification key In biology, an identification key, taxonomic key, or biological key is a printed or computer-aided device that aids the identification of biological entities, such as plants, animals, fossils, microorganisms, and pollen grains. Identification ke ...
s,
morphometric Morphometrics (from Greek μορϕή ''morphe'', "shape, form", and -μετρία ''metria'', "measurement") or morphometry refers to the quantitative analysis of ''form'', a concept that encompasses size and shape. Morphometric analyses are co ...
s, broodstock,
spawning Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, ''to spawn'' refers to the process of releasing the eggs and sperm, and the act of both sexes is called spawning. Most aquatic animals, except for aquat ...
and nursery behaviour, prey and predators, and growth stages and rates.LarvalBase: A Global Information System on Fish Larvae
''American Fisheries Society'', Early Life History Section Newsletter, May 2002, 23(2): 7–9.
It also includes information of specific interest to aquaculturists, such as how long it takes egg to hatch, diagrams charting changes in anatomy at different larval stages, analysis of larval diets, and techniques for rearing fish fry.Database: Fish Fry
''Science'', 16 June 2006, 312(5780): 1577.


Background

It can be difficult for fisheries, aquaculture and
hatchery A hatchery is a facility where eggs are hatched under artificial conditions, especially those of fish, poultry or even turtles. It may be used for ex-situ conservation purposes, i.e. to breed rare or endangered species under controlled cond ...
scientists and managers to get the information they need on the species that concern them, because the relevant facts can be scattered and buried across numerous journal articles, reports, newsletters and other sources. It can be particularly difficult for people in developing countries who need such information. An answer to this situation is to consolidate all the available information, drawn from the global sources, into an easily accessed database. The database will be particularly useful if the data has also been standardised and validated.Palomares MLD and Bailly N (2011
"Organizing and disseminating marine biodiversity information: the Fishbase and SeaLifeBase story"
Pages 24–46. In: Villy Christensen and Jay Maclean (Eds.) ''Ecosystem Approaches to Fisheries: A Global Perspective'', Cambridge University Press. .
It was with such considerations that the FishBase project was born in 1988. FishBase is now the world's main database on finfish with over 30 million hits a month.FishBase
Search page.
However, FishBase does not include detailed information on fish eggs and juvenile fish. In 1998 the LarvalBase project was launched to remedy this.


See also

* List of online encyclopedias * SeaLifeBase


Notes

{{reflist


References


LarvalBase
. Presentation at conference, "Aqualex, A Multilingual Glossary In Support Of Multimedia And Online Products And Programmes Related To Fisheries And Aquaculture", May 10–12, 2001, ''Agriculture University of Szczecin'', Poland.
Biological Information Systems
''IFM-GEOMAR'', Retrieved 28 July 2011. * Ueberschär, Bernd (2000) tp://ftp.cordis.europa.eu/pub/inco/docs/rep_9_chinafish.pdf LarvalBase: base and knowledge gaps.ACP-EU Fisheries Research Report, 9: 78.


External links


LarvalBase online


''LarvalBase''.
Critical times for fish larvae
Bernd Ueberschär, '' IFM-GEOMAR''. Presentation to Summer school, Qingdao, 2008. Introductory lecture on larval ecology. Fish reproduction Online databases Biological databases Biology websites