| Reference no. | Description | Year | Name Used | Page |
|---|---|---|---|---|
| 205 | Breder, C.M. and D.E. Rosen, 1966. Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. | 1966 | Gasterosteus islandicus | 646-647 |
| 59043 | Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. | 2007 | Gasterosteus islandicus | 496 |
| 105471 | eElurikkus, 2015. eElurikkus koondab ühte portaali Eesti eluslooduse andmed. http://elurikkus.ut.ee/ | 2015 | Gasterosteus islandicus | --> |
| 130435 | IUCN, 2025. The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ | 2025 | Gasterosteus islandicus | ver.2025-2 |