The following is some studies on milkfish:
 

Research
FitzGerald, W. J., 1996. Preliminary Report on The Use of Live Milkfish (Chanos Chanos) For Tuna Longline Bait, Noumea, New Caledonia: South Pacific Commission. Twenty-Sixth Regional Technical Meeting on Fisheries.

Research 2
FitzGerald, W. J., 2004. Milkfish Aquaculture in The Pacific: Potential For The Tuna Longline Fishery Bait Market, Noumea, New Caledonia: Secretariat of the Pacific Community Aquaculture Section.

IPNLF, 2012. Ensuring Sustainability of Livebait Fish, International Pole-and-line Foundation, London: International Pole and Line Foundation.

Kim, S.-S., An, D. H., Moon, D.-Y. & Hwang, S.-J., 2017. Comparison of Circle Hook and J Hook Catch Rate For Target and Bycatch Species Taken in the Korean Tuna Longline Fishery During 2015-2016, Honolulu, United States of America: Western and Central Pacific Fisheries Commission.

Kumar, K. V. A., Pravin, P. & Meenakumari, B., 2016. Bait, Bait Loss, and Depredation in Pelagic Longline Fisheries–A Review, India: Reviews in Fisheries Science &.

Padiyar, P. A. & Budhiman, A. A., 2014. Farmed Milkfish as Bait for the Tuna Pole-and-line Fishing Industry in Eastern Indonesia: A Feasibility Study, London: IPNLF Technical Report No. 4 International Pole and Line Foundation.