Skip to main content

Free Content Larval Development and Relationships of the Perciform Family Dichistiidae (=Coracinidae), the Galjoen Fishes

Download Article:
(PDF 1259.8271484375 kb)


Dichistiid fishes, a group endemic to southern African oceans, were historically linked to the microcanthids, scorpidids, girellids and kyphosids (MSG+K families), but a relationship to ephippidids and drepaneids was postulated recently. Development is described based on laboratory-reared larvae of Dichistius (=Coracinus) capensis and field-captured late larvae of this species and D. multifasciatus. Larvae are characterized by rounded, compact gut, gap between anus and anal fin, moderate head spination, and pigment pattern consisting of well-developed pigment series on head, trunk and tail. These elements constitute the "distinctive larval form" of the MSG+K families identified by G. D. Johnson. Furthermore, Dichistius multifasciatus has Freihofer's pattern 10 of the ramus lateralis accessorius nerve (RLA). This is limited to a small group of percoid families including the MSG+K families, but excluding Ephippididae and Drepaneidae. Although we could not confirm the monophyly of the Dichistiidae, we hypothesize the family is related to the MSG+K and other RLA pattern 10 fish families. A grouping of MSG+K families, Dichistiidae and Arripididae is congruent with larval characters. However, none of the elements of the "distinctive larval form" are limited to taxa with RLA pattern 10, and because no sister group to these taxa has been hypothesized, this congruence cannot be fully evaluated. Neither larval morphology and pigment, nor any other character examined offers support for a relationship between dichistiids and ephippidids or drepaneids.

Document Type: Research Article

Publication date: 1997-01-01

More about this publication?
  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Terms & Conditions
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more