Opsaridium Tweddleorum
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The dwarf sanjika (''Opsaridium tweddleorum'') is an African freshwater fish species in the
family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Danionidae The danionins are a group of small, minnow-type fish belonging to the family Danionidae. Species of this group are in the genera clades ''Danio'' and '' Devario'' (which also includes ''Chela'', ''Laubuka'', ''Microdevario'', and ''Microrasbora ...
. It is found in Malawi and Mozambique, living in
Lake Malawi Lake Malawi, also known as Lake Nyasa in Tanzania and Lago Niassa in Mozambique, () is an African Great Lakes, African Great Lake and the southernmost lake in the East African Rift system, located between Malawi, Mozambique and Tanzania. It is ...
and the lower
Zambezi River The Zambezi (also spelled Zambeze and Zambesi) is the fourth-longest river in Africa, the longest east-flowing river in Africa and the largest flowing into the Indian Ocean from Africa. Its drainage basin covers , slightly less than half of t ...
.


Size

This species reaches a length of .


Etymology

The fish is named in honor of Denis (b. 1949) and Sharon Tweddle, a husband and wife, because of their contributions of study specimens, and color slides to the study of fish of
Malawi Malawi, officially the Republic of Malawi, is a landlocked country in Southeastern Africa. It is bordered by Zambia to the west, Tanzania to the north and northeast, and Mozambique to the east, south, and southwest. Malawi spans over and ...
.


References

Opsaridium Fish described in 1996 Taxa named by Paul Harvey Skelton Cyprinid fish of Africa Taxonomy articles created by Polbot {{Danioninae-stub